Dean is parked outside of the Wallace's home waiting to see if anything strange happens. It's Halloween and he has a pile of candy wrappers on the seat next to him. Sam calls and Dean reports that nothing has happened at Mrs. Razorblade's house. He then sees Tracy come to the door, she is their babysitter and that she lied about not knowing Luke. They suspect that she could be the witch. As the show progress they soon think That Tracy isn’t the witch her professor is. As they go to his house they find him with Tracy tied up doing the ritual , but once again they are wrong when they released Tracy she killed the professor and did I nice job on the brothers. Once Samhain has resin he killed Tracy and went to raise destruction. Soon the Sam is fighting Samhain alone and has to use his powers to vanquish him. We later find out that Castiel’s and Uriel’s commands were to follow Dean’s command. While he finds this out Uriel tell Sam, as soon as Sam isn’t needed he will turn him into dust.