After eluding capture and disappearing eight years ago, the famed Yin Yang serial killer is back, and he’s set his sights on Shawn.

Dr. Andrews tries to convince a grieving family to donate their teenage daughter’s face to another young girl whose face was horribly disfigured in an accident.

While Sam and Dean try to track down Kevin’s mother, Castiel is captured by an old battle-comrade and learns more about the factions of angels.