Jesse "Mav" Bolder heads into Pure Water, known as Perdition because its evil reputation. There he encounters some very shady characters, among them the sheriff, Bill Bronco, local rancher Bunce and his hired killers. But there are good people in Pure Water too and when Mav befriends them, Sheriff Bronco sees this as an opportunity to run them off, leading to a bloody showdown for control of the town.