When Brodie Harper, one of the strongest international hitmen in the world comes across a job opportunity in America, it leads her to take out the Men Of Letters, as well as their legacy, the Winchesters. In a mission to take out the Winchester brothers, Agent Ivory Parker is drawn into the mix when she realizes Brodie has a target on the brothers. To the Winchester's surprise, Ivory reveals she is a hunter. The three band together, but when realization strikes them all, they will be left dumbfounded. They have to make the decision to trust or flee from each other, and they have to decide quick.