The BAU searches for an UnSub who is purposely disfiguring victims. Also, Rossi has an awkward reunion with his ex-wife, Hayden Montgomery, who kept his daughter, Joy, a secret from him for nearly 30 years.
The world turns against S.H.I.E.L.D. when Hydra impersonates them to attack The United Nations, and an unexpected enemy leads the charge to bring about their downfall.
