South of Heaven, West of Hell (2000)

Valentine Casey is a U.S. Marshal in the desolate Tucson territory of the early 1900s. On Christmas Eve, his outlaw family pays him a disturbing visit. He must confront the sins of his past. He and his partner, U.S. Christmas, journey through the desert to a small town that the ruthless Henry Clan has hit in order to save Casey's love, Adalyne.