Prepare for war. What do you do when you find yourself in the middle of a fight you didn't start? Whatever you need to do to survive. As an unprecedented enemy grows beyond measure, Dean is faced with a choice to confront the demons of his past or let them kill him in present. The future of two species hang in the balance. No pressure. But war is never easy, and the stakes have never been higher. Dean will need all of his allies and more if he hopes to make it out alive.