The BAU team up with the organised crime unit when a congressman's wife is held to ransom. Plus, could there be love in the air for Spencer?
The crew teams up with old mates Harry and Wade on a mission to find the murderer that struck Steve and Catherine's family.
Facing a crisis, Ray and the team devise strategies about leverage; Hector's wife plans to move, and he reaches a breaking point.
Still looking to free Avi and settle his debt to the mob, Ray is detained by the FBI and is forced to rely on Mickey to place a crucial bet.
Molly is kidnapped by Leon Drake so Jonas goes it alone in his bid to rescue her, and renegade Unit member Sam 'Whiplash' McBride has another surprise up his sleeve.