Sam was always the light in the darkness for his family. Well, actually for every hunter and friend of his father. There was so much bad out there but Sammy was so good. He was still badass of course and could hold his own. The kid just had this natural goodness. However, John still wants Sam to be like Dean, who never questions him. Eventually John manages to mold him into exactly that. But the light goes out and he actually becomes ruthless. Can John, Dean and friends get that spark back?