Patrick Jane interrogates Lorelei in an attempt to figure out her connection to Red John. The CBI is forced to partner up with the FBI to solve the murder of a hotel employee.
While CBI investigates a murder that could reignite a turf war between two rival gangs, the case gives Rigsby an unfortunate reunion with his estranged ex-con father.
A flashback to Patrick's first day with the CBI: he arrives to ask for evidence in the Red John investigation, and winds up helping the team solve the murder of a judge's son.
Patrick arranges Lorelei's escape from prison and then kidnaps her to get answers about Red John. Meanwhile, Lorelei's mother shares with agent Lisbon a shocking detail about her family.
Patrick discovers that a young botanist who was murdered was working on a valuable new strain of marijuana, and Cho runs into an old friend with a big surprise during a bust.
A senator's daughter's corpse is found on the street. Patrick quickly traces the murder to Dr. Michael Rubin's rehab clinic. There's no shortage of suspects and possible motives, including a ruby necklace she stole from her parents to pay for her drugs. Lisbon remains obsessed with Volker, even though judge Davis refuses to help her anymore.
Tommy Volker stays one step ahead of agent Lisbon with the help of an inside source, but the team is on the trail of a possible witness to one of his murders.
CBI needs the help of a radio couples' therapist to solve a murder, and he may also be able to help with the problems between agents Rigsby and Van Pelt.
Patrick helps LaRoche retrieve a Tupperware container that was stolen from his safe, which may also help them uncover the identity of a mole within CBI.
As Patrick narrows down his Red John suspect list to seven people, Red John strikes again, and this time the victim triggers distant memories from his old life.
