Cort Keller and his gang are on the run after a successful robbery, but a posse led by Marshal Nate Whitman, aided by his Crow Indian friend Little Hawk, are closing in on them. Cort goes to the house of his cousin Coy Brandon, ex-outlaw turned family man, for help. But when Coy is gunned down, and the Keller gang starts to fall apart, Cort is forced to reconsider his way of life if he is to survive.