The BAU head to LA to investigate gang-related serial killings that may involve a famous comic book artist.

The new sheriff in Fredericksburg requests the BAU's help to investigate a series of mutilation murders.

The BAU races against the clock to catch a serial killer before he murders a teenage girl.

Nick takes his frustrations out on Clair, while Clair becomes increasingly abusive and controlling of her nanny, Gabriella. Shae struggles adjusting to online prostitution.