Gideon and Reid are visiting Los Angeles to present a seminar for the LAPD when they and the rest of the Behavioural Analysis Unit are brought into a case involving the murders of several people linked to a young, television actress.
A case involving a man's burnt corpse leads Nick and Keppler to uncover a black market for human body parts; the rest of the team investigate the murder of a wealthy married woman in her home.
Christy and Bonnie are quick to help a sick Violet, only to discover that mono barely scratches the surface of her problems.
When a teenage tourist goes missing, the team investigates the dark side of Miami's nightclub scene.
Mac and Danny look into the death of a woman found in her bathtub. Meanwhile, Stella investigates the death of a young man who fell into a fish tank.