Bandolero!

In 1867 Texas, a man named Mace Bishop poses as a hangman to free his outlaw brother Dee from execution, but their ruse takes them on a treacherous road trip through Mexico where they join forces with Mexican bandits against the law. Along the way, Maria Stoner, a wealthy civilian's widow, finds herself caught between her loyalty to her deceased husband and her growing feelings for Dee. As the posse closes in, Maria's newfound love is tested, and the brothers face off against their enemies in a violent showdown that will determine their fate.