Patrick and the team investigate the murder of a woman with ties to one of the fighters. Meanwhile, LaRoche focuses his investigation on Rigsby, who in turn is forced to ask Cho for a huge favor in order to keep his job.
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 later claims that he was abducted by aliens. Meanwhile, coroner Steiner surprisingly confides a surprising secret with Patrick.
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.
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.