Abel arrives at a village by the sea and meets a fisherman who offers him a job in an old house where three women live. First he seduces Leticia, Pia's mother, and then Pia, while the grandmother observes everything.
A mad scientist invents a formula to control Puerto Rico. A little pig named Chona drinks water from a pond contaminated with the formula and grows to gigantic proportions, chasing and killing people.
Luis Sandrini plays a college professor who, because of his freethinking attitudes and concerns for moral questions over matters of business, has more in common with his students than his colleagues.