Adrian Gray's life changed after a run in with a mysterious woman leads to a series of events where he discovers he is a Nephal: A child of an angel and a demon and a Horseman of the Apocalypse. But things go awry on the road to the Apocalypse as a rogue angel plots to release the Pagan gods from Purgatory. Now it's up to Adrian and the other horsemen to stop the angel before chaos erupts on earth.