The Cyber team investigates a child abduction case based on the “Red Crone,” an online myth where an abductor lures children through an app on their phones. Also, Elijah’s aggressive behavior at work causes Avery to bench him, and romance is in the air for D.B.

When a hacker takes control of all networked medical devices at a hospital in Dallas and threatens to kill one patient every hour if his demands are not met, the Cyber team must find the source and figure out how they accessed an airtight security system.

A man is killed by a driverless car while drag racing. The investigation leads to a hacker who is cyber-hacking vehicles and using them as remote-controlled cars to cause deadly crashes.

A woman is murdered while she video chats with her parents. Avery's skill is tested when she interviews the only witness, an agoraphobic neighbor who is suffering from PTSD following the incident.

When Avery's friend, an Interpol agent, is murdered by the #1 criminal on the FBI Cyber's Most Wanted List, Avery risks her life to capture the killer, the Deep Web's most notorious and dangerous drug dealer.

The cyber team investigates the murder of a hacker who was hired to erase an assault victim’s comments from a confessional website.

An innocent bystander is killed when dozens of ATMs spew money into the street. The team investigates the bank heist and learns it was orchestrated by a real-life Robin Hood.

When the Cyber team investigates what appears to be a hack into air traffic control’s communication system, a greater threat emerges when a flight vanishes into thin air, drawing the team into the world’s first case of cyber-hijacking.

When residents of New York City cannot reach the police when calling 911, the Cyber team realizes this is an airborne computer virus that is infecting cell phones and must find the hacker responsible. Also, D.B. meets a woman after responding to a mistaken text sent by her.

Avery and the Cyber team attempt to work with black hat hacker Stella Kaine (Kelly Osbourne), to track down the hacker who took identity theft to a new level and digitally “killed” Avery’s ex-husband,

When a jogger’s body is found, the Cyber team use the fitness tracker she was wearing at the time of the murder to retrace her steps for the entire night leading up to her death.

Cyber’s most notorious criminal, Python, returns to kidnap Avery’s surrogate daughter, making the team decipher a series of elaborate code-like puzzles in an attempt to save her life.

The Cyber team tracks a vigilante who is killing the biggest offenders of objectionable posts on social media websites.

The Cyber team investigates when users of a traffic app are rerouted to remote locations and robbed by masked women. Also, Russell reconnects with Greer Latimore after the team completes business in Los Angeles.

The fate of the U.S. government is at stake as Avery and the Cyber team search for the hacker responsible for the largest breach of highly classified data in history after millions of federal employee files are stolen. Also, Avery and her ex-husband have a heart-to-heart and D. B. considers a future with Greer.