After Zoë tells Dan and Phil of the deal she made to save them, the two hunters head out on a journey to save her son from the King of Hell. Unfortunately, her plan of assassination with Tyler gets discovered by Dan, and now they have a powerful angel protected by the best Hunters in the world. They're a family of sorts made up of Zoë's husband, Alfie Dayes, and his friend Ricky Dillion. Soon, Dan and Phil become the hunted, taking on the role of the things they kill, and finding some family secrets on the way.