The BAU is called to investigate the murder of two small-town high school students in McAllister, Virginia, who may have been victims of a cult killing. Based on the crime scene evidence, the team begins to believe it is possible that someone other than a cult member may be responsible.
Harm and Mac are sent to a small naval station in Florida to try an enlisted man accused of murdering a civilian. The men were allegedly involved in a sordid love triangle involving the base's resident Lolita.
Goren and Eames search for a killer slaying parents in front of their children.
When attorney Nick George's father dies, Nick takes over his law practice and must take care of the Darlings and their problems, including human trafficking, illegitimate children, and affairs.