Cinematográfica Calderón S.A.

A doctor tries to save his son's life through a complicated heart transplant operation, the involuntary donor being a gorilla. Eventually, the young man turns into a violent hybrid beast.

A gunrunner loses his cargo near a small coastal Sudanese town so he's stuck there. When a woman hires him to raid a sunken ship in the shark-infested waters, he sees a chance to compensate for his losses. He's not the only one.

In México City, a Cuban dancer from "Cabaret Changó" rescues a baby from a garbage can and decides to raise him, but her pachuco pimp gets in her way.

A mad scientist terrorizes a city by kidnapping young women with his ape-man Gomar and then using them as subjects in sadistic brain transplant experiments. A female wrestler whose sister was one of the victims swears vengeance ag...