Paul Piaget

A man named Joe (Henry in the Italian and Spanish versions) is mysteriously killed just as he is about to leave a small Kansas town with his girlfriend, Katy. At the inquest, one of Joe's old girlfriends claims she saw Katy shoot Joe. On this evidence alone, Katy is sentenced to 15 years in prison. Desperate, she attempts an escape, and her brother, notorious gunslinger, Frank Dalton, swears vengeance for his sister. All of a sudden, the town experiences an outbreak of murders.

Bob Carey, just released from prison, sets out in search of his fiancée and soon learns she has married a rich farmer. (imdb)

Cèsar Guzman lives on a ranch with his pregnant wife Analupe. One night, when she is alone, seven men try to rob the ranch. She recognizes the chief and he strangles her. When Cèsar gets back home, with the help of Silveira and Abriles, he seeks revenge for the death of his wife. (imdb)