The team investigate a copycat killer, who is busy recreating the techniques of past infamous murderers.
The discovery of a mutilated body leads detectives to the fans of an imprisoned serial killer; detectives attempt to find a missing woman using comic books.
Malcolm and Stevie's families invite disaster by holidaying together on a houseboat, and Francis decides to leave school and move away.
Doug and Claire try an open relationship; Shannon gets help parallel parking; a company uses VR for a meeting; the Mayor waits for a helicopter; Fred steps on a snail.
Banfield and her husband consider adopting; Carter tries to jump back into work, but struggles with new procedures and technology; Sam's mother comes into the ER.