Castiel (Misha Collins) and Jack (Alexander Calvert) work a case involving members of a local church. Meanwhile, Sam (Jared Padalecki) and Dean (Jensen Ackles) go off in search of Amara (guest star Emily Swallow).
Why do they call this place The Empty? It's full. It's full of sorrow and despair playing over and over again of angels and demons dreaming about their regrets. Forever.
