A hostage-taker has holed up in K11. In order to save the life of the seriously injured hostage, Chief Inspector Alexandra Rietz can be exchanged. Then a race against time begins! The investigators only have one hour to comply with the hostage taker's request, otherwise their colleague will die ...

The inspectors Alexandra Rietz and Michael Naseband are called to the station district. A seriously injured 17-year-old was found wearing only his underpants in a backyard. It quickly becomes clear that the boy is a victim of bullying who is harassed by his classmates because of his virginity. But then a new trail leads into the red light district ...

A corpse, charred beyond recognition, is found in the oven of a bakery. The identification of the victim is hardly possible anymore and the commissioners Michael Naseband and Alexandra Rietz investigate in every direction. But the victim apparently took his dark secret with him to the grave ...

Two police officers have disappeared during an operation. When the commissioners Michael Naseband and Daniela Stamm look around the place of the disappearance, they make a gruesome discovery: one of the patrol officers lies dead in the forest. But what about his colleague Lena? Is she still alive? Every minute counts ...

Alex Rietz and her colleague Philipp Stehler are called to an alleged crime scene. A witness claims to have observed how someone is said to have disposed of a corpse in a construction container. But the witness is drunk and instead of a corpse, the inspectors only find a tiny drop of blood.

Suddenly shots are fired at a Turkish wedding! Chief Inspector Michael Naseband and his colleague Daniela Stamm calm the heated situation on site. But then they discover that the bride has disappeared. All witnesses shut up. What is behind the wall of silence and what happened to the young bride?

The investigative team Alexandra Rietz and Michael Naseband have a pretty tricky case to solve. The body of a youth lies on a railroad track. However, the location does not seem to be the real crime scene. The investigation leads the commissioners to illegal underground parties. But who of the countless party guests is the culprit?

Attack with killer viruses! A patient lies dying in the quarantine station because she was infected with an unknown and deadly virus. Shortly before her death, she whispered to the inspectors Alexandra Rietz and Philipp Stehler: “We will all die!” A race against time begins.

Witness dog! A stray dog runs up to the detective, Alexandra Rietz and Philipp Stehler, and it has traces of blood in its fur. The owner has apparently disappeared for days. Traces lead to an association for the deaf and a mysterious lover.

Hit and run in front of the emergency room! An unidentified woman is thrown out of a car in front of the emergency room. The driver flees and the woman is in the intensive care unit in a coma. The commissioners Michael Naseband and Daniela Stamm find out that the woman was poisoned with arsenic and is not the only victim ...

Mysterious corpse find in the forest! A family man is found dead in the forest. He was suffocated, hanged, shot and also staged like a memorial. The commissioners Alexandra Rietz and Philipp Stehler find threatening letters. Now the family of the victim seems to be in the sights of the murderer and is brought to safety. But the perpetrator is more subtle than expected.

A case from the past catches up with Chief Inspector Michael Naseband. The criminal Sven Jäger is shot from a passing car when he is released from prison. The shooter can escape undetected. Naseband is certain that the crime is related to his investigation at the time. Did he make a big mistake years ago?

Emergency call from the bathtub: A frightened young woman reports that a burglar is in her house. When the commissioners Alexandra Rietz and Philipp Stehler arrive, they find the victim injured in the bathroom. There is no trace of the perpetrator. But then someone is targeted that nobody would have expected ...

Kidnapping in Live Stream! A young woman disappears, but then the perpetrator lets the police and the public know via live broadcast how the victim slowly dies of thirst. A trail leads the inspectors Alexandra Rietz and Daniela Stamm to a prisoner in prison. The convicted serial kidnapper seems to know his imitator, but he sets an unusual condition ...

Death by a bow and arrow! Early in the morning a young man in a fancy suit and with an arrow in his back is found dead in a forest. The trail leads to a wedding party who cannot remember anything after the exuberant celebration. Investigators Alexandra Rietz and Philipp Stehler suspect that one of the guests must be the murderer. But how are they supposed to prove that?

A teacher is found murdered at the bathing area in front of an elite boarding school for girls. More than a hundred schoolgirls from a good family who have little respect for the police seem suspect. But the inspectors Alexandra Rietz and Michael Naseband finally prevailed among the pubescent teenagers and gradually uncover a multitude of dark secrets ...

A trap for nasal tape! The commissioners Michael Naseband and Philipp Stehler are called to a dead body. But all they find is a mannequin. The investigators believe that it is a fake emergency call. But suddenly shots are fired and Michael is hit. While the whole K11 is feverishly looking for the shooter, there is little hope for Michael ...

A missing corpse confronts Daniela Stamm and Michael Naseband with an almost unsolvable riddle. Was the body stolen? But who steals a corpse and why?

Arson attack on a family home! At first, everything points to a Insurance fraud out because the owner is close to bankruptcy. then there are at a pizzeria another fire and it becomes clear: a Firestarter is at work. But how can the commissioners and Alexandra Rietz Michael Naseband find the arsonist before he once again strikes?

Mysterious Goodbye! A mother thinks she has seen her missing daughter for three years in a parking lot.

With ripped tights, a young woman is found in the park. The commissioners Daniela trunk and Philipp stealer be switched to elucidate a possible rape. The young woman is seriously injured and does not know what happened. All she remembers is the image of an angel ...

The Commissioners Michael noseband and Philipp stealer prevent a large drug deal with the SEC. But in the run there will be a shootout.

A mother reported her 17-year-old daughter missing. The K11 sends his most experienced investigators: The Chief Commissioners Alex Rietz and Michael Naseband find signs that the daughter has been kidnapped. With great sensitivity succeeds investigators to calm the applied parents. But missing from the girl still any trace ...

Mysterious robbery of a jewelry store! The commissioners Daniela trunk and Michael Naseband are puzzled. The only trace is the getaway. But then comes a person targeted, the investigators never trust a crime would ...

Mother disappeared without a trace! Father Tomas finds his one year old daughter completely alone at home. His wife is no trace. During the search of the house, the Rietz Commissioners Alexandra and Michael Naseband find evidence of a struggle and blood. Everything points to an abduction. But why is an ordinary wife and mother kidnapped?

A student wants to jump off a bridge. At the last second the commissioners Michael noseband and Philipp stealer can keep the girl away. The 17-year-old seems not only desperate but also drugged. than the investigators an enigmatic reference to a murder begins a much larger case with the rescue.

A fire in a garage, the Commissioners Michael noseband and Philipp stealer a mystery. Under the lift a charred body is found. Was it a tragic accident or is it a cleverly orchestrated murder? As the identification of the dead provides conflicting results, the case is more confused. And suddenly the dead seem alive again ...

A mother leaves her two year old son only briefly in the car alone. When she returns, car and child are gone. For the commissioners Alexandra Rietz and Daniela strain every second counts - even more so when the applied father his son studied on their own, thus making things worse. And then there's another setback: the car is found, but of the child is no trace ...

A farmer reports a dead angel on his field. The commissioners Daniela trunk and Michael Naseband quickly realize that it is in the dead of a missing young woman for two years. But who the woman murdered and why was her body so puzzling arranged as an angel?

At first glance, everything suggests that a 60-year-old coach was random victim of a robbery. Before the gymnasium, he was badly mauled. But then encounter the commissioners Daniela trunk and Michael Naseband to an essential detail that simply does not match the testimony of the victim and the inconsistencies suddenly piling up.

A six-year-old boy is nearly run over at an intersection. The mother is certain that her son would be killed. The commissioners Alexandra Rietz and Philipp stealer are puzzled. Shortly thereafter, a body is found near the intersection. Investigators rule out a chance. But what is the connection between the boy and the murder victim?

"My daughter is building a bomb" - with this statement calls a worried farmer the police. In fact, the commissioners Daniela trunk and Philipp stealer found in the barn instructions on how to build a bomb and right-wing religious articles. What did before the girl? A race against time begins…

After a club meeting at the tennis club one of the chairs disappear without a trace. The numerous blood stains indicate a violent crime and Commissioners Daniela trunk and Michael Naseband need to find out whether the victim is alive or dead. A case with savory secrets takes its course ...

A slump without theft: Only a threatening letter with an enigmatic parable, and a pentagram is the judge in broad daylight in her home. Everything points to an act of revenge. The commissioners Alexandra Rietz and Philipp stealer fall into a fast-paced cat and mouse game with the offender. Only question is: who is the cat and who is the mouse?

Raid on bottle bank! A young father is deposited at a recycling facility. Was it an assassination attempt? The perpetrator each track and Commissioners Alexandra Rietz and Daniela missing regulars try meticulously to combine all the puzzle pieces. But then the culprit strikes again when the baby of the family goes missing ...

A mysterious double murder leads the commissioners Daniela trunk and Michael Naseband to their limits. In order to convict the offender, Daniela decides a dangerous step: the investigator infiltrates undercover in a gym, and unaware that they risked their own lives ...

A man is found dead in a gravel pit. The cause of death is immediately clear: murder! But the search for the perpetrator becomes Sisyphean work. The inspectors Alexandra Rietz and Daniela Stamm encounter numerous suspects, secrets and an illegitimate child. But how is it all connected?

On a recycling center a severed leg of a woman is found. But the search for the identity of the victim as well as the rest of the body proves to be extremely difficult.

In a deep freeze a dead pensioner is found, who was murdered three years ago. Yet neither neighbors nor the own daughter reported the woman as missing.

A newborn baby is exposed in front of a church. Of the parents no trace. The only clue: a cryptic letter must indicate the commissioners earnest.

A brutal attack on an armored car ends with a fatal shot. The search for the perpetrators leads the commissioners to a half-blind lady.

The commissioners Alexandra Rietz and Daniela Stamm are called to a disused industrial area. A seriously injured girl is said to be lying here with a knife in her stomach.

In a car accident with hit and run a passerby is critically injured. Suspicion falls precisely on Commissioner Philip stealer ...

A woman is found dead in her pool. A trail leads to a series burglar in the neighborhood is on the loose for weeks.

Two young women are half naked in the woods found: one dead, the other can not remember anything. Their only connection is a mysterious ring.

When the commissioners Daniela trunk and Michael Naseband arrive at their place of work, they will find a gruesome scene: A man sits stabbed in the cinema.

A stranger sets life-threatening traps for children in playgrounds and uses them to blackmail the city. Daniela Stamm and Michael Naseband have to find the child hater.

A patrolman is deposited and stole his uniform. Accordingly, the commissioners Alexandra Rietz and Philip stealer chasing a disguised criminals ...

With a hand grenade threatens a woman to blow up a fertility clinic in the air. The commissioners Daniela trunk and Michael Naseband try to interact with them.

For years, a millionaire abused underage girls. When the commissioners Alexandra Rietz and Philipp stealer the offender finally arrested, they will be called back.

A stranger sneaks into the homes of sleeping women and observed them. From there, he calls the police and each time leaving a message for the investigators.

A successful diet blogger is found dead in her kitchen. The young woman was forced to eat countless muffins and then choking on her vomit.

Everything points to a tragic and fatal accident out - until the commissioners Daniela tribe and discover Michael Naseband that this piling up ...

Countless hidden spy cameras are found in the apartment of a young woman. Shortly thereafter, the nude photos of bathroom and bedroom are visible to everyone on the Internet.

A woman claims to have stabbed her ex-boyfriend in the dispute. But at the scene of the commissioners Michael noseband and Philipp stealer quickly becomes clear: the woman is lying.

A woman wakes up after surgery from anesthesia and discovered traces of sperm on her legs. It came in the hospital about a rape?

A boy finds the secret diary of his lost mother. The commissioners Alexandra Rietz and Daniela tribe discovered in Notes on a never-solved crimes.

The Commissioners Michael noseband and Tim Stammberger find an unknown corpse with a strangely discolored tongue. Even the coroner is initially a mystery.

Curious determination help! An ornithologist believes that has not communicated the way to a dead one tawny owl. But the corpse is no trace.

Mysterious murder in a hotel room! Externally, the dead man is almost intact - but the internal organs have been shredded inexplicably.

A young woman is wearing only underwear in the ditch. A tattoo and the scars of a breast augmentation are the only clues.

A young woman claims to have been infected by their doctor intentionally with HIV. Allegedly because she left him. What has taken place?

In the garden of a house hoarding a human femur is found. Daniela trunk and Philipp stealer encounter a secret double life.

In a forest the buried skeleton is found a missing teenage girl nine years ago. Alexandra Rietz and Michael Naseband determine in the mysterious case.

A mentally unstable patient escapes from the psychiatric and pulls a sword through the city. The unpredictable woman leaves a bloody trail of injured people.

In a park the blighted body of a young woman is found and the coroner makes a startling discovery: the mouth of the dead are algae.

A stewardess is found dead and no panties. The piquancy about it: Just before and another woman on the street was stolen panties force.

As a nine-year Lola is kidnapped, logs from jail an old acquaintance of Alexandra Rietz and Philipp stealer ...

A couple is found half-naked chained to the bedroom heating. It was the neighbor who carries with them a small war?

Attempted murder on camera? A young TV presenter breaks in the middle together in their live show. The Commissioners Alex Rietz and Michael Naseband identify behind the scenes ...

Robert Knight returns to K11 and supports colleagues at a mysterious crime: A prima ballerina is shot during the rehearsal on stage.

A woman is kidnapped, but she manages it, to contact the police from the trunk out. Robert Ritter and Philipp stealer give chase.

A stallion comes from bluverschmiert ride and disconcerted - of his young rider is no trace. Was the daughter of the horse farm operator victim of a violent crime?

A curvy model is disfigured in the street with a knife face. For the commissioners Alexandra Rietz and Lilli judge everything points to a personal motive.

An early retirees is found charred in his bathroom. Apparently there is no cause for the fire. Mysterious is: The feet of the victim are not burned.

An injured woman is found in the forest. It speaks of a red light, which puts them in fear of death. Alexandra Rietz and Michael Naseband encounter more victims and a pattern.

During a drug raid Commissioners Alexandra Rietz and Michael Naseband staggers a completely befuddled woman's arms - half-naked and with a total blackout.

The commissioners Daniela trunk and Michael Naseband involved in a controversial case: in the trunk of a judge is a corpse. The top lawyer tried to influence the investigation, but Michael remains stubbornly on the case to it. If the judge innocently involved in this case, or does it have something to do with the dead in their trunk?