The BAU is called to Alabama when young women are being abducted by what appears to be a family working together.
After bonding with a young patient, Shaun suspects that he’s been misdiagnosed with a fatal form of brain cancer. An elderly patient’s allergic reaction exposes a longstanding rift with his son.
Lightman and Torres interrogate an imprisoned gang leader who claims to be rehabilitated. If the gang leader is freed, he might help fight inner-city violence or return to his life of crime. Foster and Loker investigate the death of a firefighter who was killed in the line of duty.
The investigation into the death of a surfer reunites Lisbon with her former fiancé. Cho is beginning to question why he's with Summer.
Walt gets more bad news from the mayor. As Walt learns what’s behind the lawsuit, both Henry and Cady face tribal rituals. And Vic does a strange favor in the season finale.