Los dos cuatreros (1965)

A small town lives peacefully despite the occasional disturbs provoked by some bush rangers. The town prosperity is based on an old mine, where's told occur strange phenomenons and there're ghosts. Two brothers come to visit their aunt, who lives in a prosper hacienda. They're great shooters and expert riders, but their aunt has hidden skills for the gun. But the brothers are rejected by her, because for her they're nothing but two unemployed and spoiled kids, without a place for living and only looking for girls and fun in the bar. There're two nice girls whom are the romantic interest of the brothers. One day, come to the town two outlaws, looking for troubles in the bar. The brothers confront the outlaws and later the sheriff put them behind the bars. However, during a night the outlaws scape from jail and masked kill two workers in the mine. Then, the criminals return to the jail to avoid suspicions between the villagers. Unfortunely, the brothers are accused by the miners of being the authors of the crimes. The brothers will have to prove their innocence, chasing the real killers in the haunted mine.