What if the real Santa was an assassin kids could hire to kill their parents, and the only way you got to him was through a kid that had already used him?

In the 1820s, a taciturn loner and skilled cook travels west to Oregon Territory, where he meets a Chinese immigrant also seeking his fortune. Soon the two team up on a dangerous scheme to steal milk from the wealthy landowner’s prized Jersey cow—the first, and only, in the territory.

When the Devil descends on a small Midwestern town and propositions Brand and his gang of young punks to fight in an apocalyptic war, it forces Brand to make the ultimate choice: avenge the death of his sister by the murderous "4-Barrel Felons" or sacrifice everyone he loves to save the fate of mankind.