Authentic American neo-noir with a supernatural twist. “Fire of unknown origin” burns with intense police work, mystery, horror and fantasy — like a game of literary poker played between Stephen King, Dan Simmons and Raymond Chandler, while Walter Hill deals the cards.
During the era of Spain's greatest colonial might, a disgraced conquistador on his deathbed reveals the secret of an ancient artifact to his best friend.
More than four centuries later, a hardboiled New York detective and his partner are on the path of a new deadly drug, while a seemingly ordinary girl from Wisconsin begins her journey south, driven by an old prophecy. Far away from them, a small-time smuggler agrees to transport three men to Mexico, unsuspecting of the events he will encounter there.
Among them, only one soul truly understands the nature of the fate which binds them and the horror which awaits them in the last days of May.