When a charity worker is killed, Jane has Erica Flynn, a murderer he helped imprison, furloughed in exchange for information she claims to have about the case. Meanwhile, Rigsby and Sarah try to adjust to impending parenthood.

Jane suspects that Agent Susan Darcy has ulterior motives when she asks for his help with a homicide investigation. Meanwhile, the CBI team handles the murder of a young woman who was killed after meeting someone in an online chat room.

The team investigates a 25-year-old case that seems to involve both Red John and the Visualize group, and Lisbon contemplates her future.

The CBI team investigates when the young lead of a local theater production dies on the eve of the opening. Meanwhile, Jane hopes to get more information about Red John from the comatose Jason Lennon.

Jane discovers an important clue to Red John's methods as the team encounters four of the suspects, and the CBI investigates the case of a software engineer killed by a drone strike.

Following the shocking events at Jane's house, the Red John list is narrowed down further, and the CBI's priority is the remaining suspects.