After the Civil War, former Confederate Captain Justice Cain seeks tranquility with his young son and black wife. However, his old crew, the notorious Cain's Cutthroats, have descended into a life of violence and crime. When they pressure him to rejoin their ranks, Cain declines, leading to a brutal attack that claims the lives of his loved ones. Fueled by grief and a thirst for revenge, he allies with a charismatic preacher and bounty hunter, embarking on a relentless quest to track down each member of the Cutthroats responsible for his family's tragedy.