Cowboys & Aliens (2011)

A stranger stumbles into the desert town of Absolution with no memory of his past and a futuristic shackle around his wrist. With the help of mysterious beauty Ella and the iron-fisted Colonel Dolarhyde, he finds himself leading an unlikely posse of cowboys, outlaws, and Apache warriors against a common enemy from beyond this world in an epic showdown for survival. robbery, sheriff, spacecraft, arizona, laser, apache, outlaw, ufo, alien, native american, escape, gunfight, alien invasion, 19th century