Sky awakes in hell after being killed by Sam, she can see images of everyone, Sam, Dean, Payton, Haylee, Cas and Emma. She tried to tell them that she is in hell trying to get out but they can't hear her, seeing the sadness in their eyes Sky instantly is sorry for leaving them and causing them so much pain.

Dean, Payton, Cas, Halyee, Emma, Sam and Sky must find an evil that is terrorizing different parts of the world, but with Sky and Payton missing, Sam and Dean refuse to do anything until they are found. They try not to think of what could have happened to Sky and Payton or what might become of other innocent people.

This is a story from both Castiel and Haylee's point of view of what happened the night of the accident an after the Winchesters saved Halyee and Emms

When Dean and Sam find two young women about their age on the brink of death they rush them to the smartest person they know, Bobby, who quickly patches them up and saves their lives. Dean and Sam soon learn that there's more to these girls, they are hinters and they are in love with them. Payton and Sky then join Sam and Dean on their hunts and hope to find out a little more about hunting.