As the BAU searches for a vigilante killer in Cleveland, Rossi seeks out his former Marine sergeant who is missing. Also, the secret JJ has been keeping from the team may be catching up with her.
Melinda and Professor Payne search for missing children after their Nanny says that they left with a man named Gabriel.
The team reopens the 1976 case of a murdered 17-year-old honor student after a photo is found -- of her on the back of a motorcycle -- which reveals her connection to a notoriously vicious gang.
Miley must convince Jackson not to cheat on a test despite Jackson pointing out that she's cheating by "acting" like she likes her new duet partner for publicity's sake.
