Dean and bella enlists Castiel's help to find out what's wrong with Sam, who reveals he can't sleep or feel any emotions except for physical pain. Castiel discovers Sam's soul is missing, and he leaves to investigate. Meanwhile, the Winchesters learn that Samuel plans to hunt down the Alpha vampire. After torturing the Alpha vampire, Crowley reveals that Samuel works for him collecting alpha creatures, and that he is the one who brought Sam back from Hell. Crowley tells them that he calls the shots and they have no choice but to follow his orders. After the demon leaves, Sam wants to kill Samuel for betraying and lying to them, but Dean lets him go. Samuel tells them that he only works to capture creatures and has no intention to harm the brothers. Sam assures Dean that Crowley will get what he deserves when they get the chance and Castiel spend time with bella and grace
