Toby and Michelle go after a murder that contains the same circumstances as those of a case Michelle worked on years ago. Is this a copycat murder or was the murderer Michelle put away innocent?
The team meets their new leader, a man known to Toby (but not in a good way). They investigate how money that is suppose to be in the evidence locker ended up in sport team's locker room.
A cooking-show contestant, Marcel, is poisoned by a peanut allergen on live TV. The investigation is potentially aided by someone who has a photographic memory.