When Patrick Jane and others are taken hostage by an armed man accused of murder, Jane must think quickly to defuse the situation.

Jane and the CBI try to determine who would have reason to kill a popular English teacher, and Rigsby nervously awaits a special delivery.

The death of a young botanist leads the team into the lucrative world of medical marijuana, while Cho’s work with the rapid response team brings him back into contact with Summer.

The CBI team heads out to a run-down Wild West tourist town to investigate the death of the town's owner. Meanwhile, Kirkland tries to uncover the extent of Jane's knowledge about Red John.

The FBI is tasked with finding the killer of several DEA agents, and Jane goes on a date with a beautiful woman associated with the case.