Crispin Mayo was a reckless young brawler who'd left his tiny fishing village for the vast American frontier. Headed west to join a railroad construction crew, he came upon an isolated station - and a mystery. The shack was abandoned, but fresh blood spattered the floor. Without intending to, Mayo became entangled with a band of Civil War veterans with a score to settle. Suddenly Cris Mayo - who never backed down from a fight - was in for the battle of his life.