Meg (guest star Rachel Miner) calls Dean (Jensen Ackles) and Sam (Jared Padalecki) and tells them Castiel (guest star Misha Collins) is awake and talking. Meanwhile, a teenager named Kevin (guest star Osric Chau) gets hit by a bolt of lightening and is turned into a reluctant prophet. Sam and Dean believe Kevin holds the key to defeating the Leviathans but must fight off two Archangels who want him for their own purposes.