A lady wrestler and her boyfriend, a policeman, battle a mad scientist who has developed a murderous killer robot and uses it to kidnap wealthy people.
Musicians/dancers look for their big show-biz break while dealing with a melodrama/crime activity that involves an abusive husband, a lecherous employer and a heroin lab.
Famous singer hires a pianist/songwriter on the strength of his compositions, then seduces him away from his fiancee and from the paths of righteousness in general.
La Calavera Negra concerns a bunch of small Mexican town who must contend with a mysterious, disruptive figure known as the Black Skull. Many different people attempt to uncover the truth behind this frightening phenomenon. (Rotten Tomatoes)
El Cachorro is falsely accused of two murders; right after he's arrested flor those crimes, another murder is committed and he has to clear himself of that accusation. We never find out what happened about the first two deaths.
Boisterous young charro has to prove to his girlfriend's parents that he's ready to settle down and be a responsible adult... but then somebody frames him for a murder and he has more immediate problems to deal with.
A disfigured woman is helped by a talented composer to recover her face with plastic surgery. Then he discovers that she's a beautiful woman and a talented singer.