Stevenson, the famous English criminal expert visits Hungary with his family. While he is chairing a conference on criminology, infamous art treasure robbers steal the golden herm of Saint László. Suspicion is cast on the Stevenson children.

On the run from the police, a female thief and her band of robbers take refuge on a desert island where they discover a mansion inhabited by a family whom they take hostage. One of the robbers falls for the couple's daughter.

A young but poor Casanova who inherits from his deceased uncle—the king of gravy—nothing but a small island in the Aegean, meets a beautiful islander and her mother who holds an unexpected secret that may fulfil everyone's dreams.

Dr. Decker returns from Africa after a year, presumed dead. In that year, he discovered a way of growing plants and animals to an enormous size. He brings back a baby chimpanzee to test out his theory. As he has many enemies at home, he decides to use his chimp, 'Konga', to 'get rid of them'. Then Konga grows to gigantic proportions and wreaks havoc all over London!