While the team investigates the death of a divorce attorney, Patrick discovers that Red John may still be alive and stalking an FBI agent who is asking too many questions.
While CBI investigates the murder of a crime boss's son, Grace is stuck in the forest with a belligerent witness after a crash while escaping from an assassin.
A disgraced fashion designer is murdered right before he makes his big comeback, and agent Darcy begins to suspect that the man Patrick killed is not Red John.
Patrick believes that a woman on trial for murder is innocent, and convinces Lisbon to open an investigation just as the jury begins its deliberations.
A killer that Patrick helped put away is furloughed so that she can help CBI solve a murder, but will the romantic chemistry between the two interfere with the investigation?
A man trying to expose Visualize cult leader Bret Stiles is murdered, and Patrick suspects that a member of Visualize's inner circle is trying to frame Stiles for his death.
While CBI tries to get a smug business owner to confess to a murder, FBI agent Darcy asks for Patrick's help with her murder investigation. Her real motive is to find out more about Patrick's relationship to Red John.
As CBI tries to figure out who murdered a terminally ill cancer patient who only had weeks to live, Cho's addiction results in a near-tragic mistake in the field.
The investigation into the death of a surfer gets Lisbon back in touch with an old flame, while Summer makes a fateful decision that could affect her relationship with Cho.
While Patrick contemplates whether to give up trying to find Red John, his unorthodox methods of getting confessions out of murder suspects may have finally crossed the line.
After leaving the CBI, Patrick appears to be down and out in Las Vegas. But it is really part of his master plan to make Red John think he has given up on trying to catch him.
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.