A stampede at a music festival sees Chastain flooded with injured concertgoers; Bell causes trouble when the hospital's orthopaedic surgeon demands a better resident.
Jane crosses paths with a sinister cult leader while investigating the murder of a media mogul. Lisbon's life is endangered when she discovers a bomb in the victim's family home.
The team is left with two cases to solve, when a car accident leads to the discovery of two dead bodies. Megan reconnects with an old acquaintance and Kate's job is threatened.
Mac and the team are led to hidden treasure and an assassination plot when a body is found in New York harbour.
After a suspected carjacker is murdered, the team discover that he may have been connected to a drug smuggling ring operating offshore of Miami.