

Maelstrom, a thief who was caught by Carmen during her time as ACME-detective, escapes from prison, swearing revenge on her. At first, it is reported to the detectives that he died during his escape. The detectives are curious about him and The Chief tells them about his adventure with detective Carmen. During that adventure, Carmen and a robot version of the Chief stop Maelstrom from stealing the wreck of the Titanic. At the conclusion of the story, Ivy and Zack find out that Maelstrom is alive and see the opportunity to catch both Carmen and Maelstrom. However, when the detectives sneak aboard Maelstrom's ship, he captures them.
When Carmen is captured by a judge bent on sentencing her to life in prison, Zack and Ivy are appointed her defense team. Carmen was accused of recently stealing the Magna Carta, which she did not steal. Zack and Ivy try to gather evidence to prove Carmen did not commit this particular crime. But is she really involved after all?
When Carmen is tricked at a heist in China, she decides to get even with a Halloween surprise. She decides to set up a haunted house with items she's recently stolen. Zack is a bit frightened by all the spooky stuff in the house, and has to convince himself it's all fake.