Twenty-three years ago, Sam and Dean Winchester lost their mother to a mysterious demonic supernatural force. In the years after, their father then taught them about the paranormal evil that lives in the dark corners and on the back roads of America… and he taught them how to kill it.

While on the hunt for Lucifer, strange omens draw the boys to a small town in South Dakota, where they meet Don–an angel with a proposition… Don sends them a very long way from home, on a mission to find the secret the Devil never wanted them to discover.

A Supernatural novel that reveals a previously unseen adventure for the Winchester brothers, from the hit TV series!