A protected witness under Van Pelt's watch who is set to testify against a drug dealer is shot and killed, and the key to solving the mystery may involve getting to the victim's daughter's repressed memories.
The body of CBI's latest murder victim is stolen, and the team later learns the the victim claimed that he had been abducted by aliens. Meanwhile, coroner Steiner surprisingly confides a surprising secret with Patrick.
While CBI investigates the murder of an electronics store owner, Patrick tries to hide the secret that he hired a robber who unsuccessfully broke into LaRoche's home.
While CBI investigates the murder of a concert violinist, Cho helps a boy who is searching for clues that could prove his imprisoned father's innocence.
A robber with a bomb attached to him is blown up in front of a convenience store, and CBI soon discovers that there may be connections between this case and Red John and agent Hightower.
Patrick trades Hightower's secret location to Laroche for the four remaining names on his list. The team then sets up a trap to uncover Red John's real informant, leading to a possible face-to-face showdown between Patrick and Red John.
As the team meets its new boss, Patrick tries to prove that a man he encountered at a political rally is a potential mass murderer, while Lisbon tries to prove that a confessed killer at the same rally is innocent.
While CBI tries to solve the murder of a police chief, Lisbon's bounty hunter brother meddles with the investigation when the man he's tracking becomes a suspect.
CBI tries to figure out who killed an undercover narcotics officer who was killed in an alley outside a nightclub where she was investigating a drug dealer.
After the assistant of a retired pro quarterback is accidentally killed instead of the quarterback himself in a car explosion, the CBI pretends that the quarterback was killed instead in a plot to flush out the real killer.