The CBI are called to Beckworth Mansion, where a murdered body was found. The local deputy sheriff believes that Walter Beckworth's ghost haunts the mansion and killed the new owner, so the investigation is accompanied by a discussion about the existence of ghosts.
Bosco arrests Jane during a murder investigation and puts him behind bars for spying on Bosco's team and the Red John case. However, even in jail Jane manages to help Lisbon's team with the ongoing investigation.
When two cases overlap, Minelli orders Bosco's and Lisbon's units to team up for the investigation of a kidnapping crime. Soon, the two different procedural approaches start to collide and cause tensions among the team members.
A fatal shooting inside the walls of CBI Headquarters puts Jane, Lisbon and the rest of the team back on the trail of Red John.
The CBI team investigates the murder of a wealthy jeweler who was killed during a robbery. However, the investigation takes an interesting turn for the worse when the prime suspect is found dead.
The CBI team investigate the murder of a former professional baseball player, who has started his own baseball talent scouting and training facility for young up-and-coming baseball talents. During the investigation, Jane is knocked out by a baseball and flashes back to his past as a stage performer.
The CBI team investigate the double homicide of a couple murdered on their way to his high school reunion. Jane soon finds a link to an old high school prank.