From Joe Hill's book of the same name, Horns, explores the devilish undertones of what can happen when you have the devil on your side to exact your vengeance. But surely there is more than that? Ig Perrish slowly learns the truth of his girlfriend's killer as well as the darkest recesses of his family and friend's desires. Being given the supernatural gifts of a demon, surely Ig can do some good in this reality? Everything seems to be shrouded in mystery, with many people and things from the present and Ig's past having double meanings.