Don Salvatore Savastano, a boss involved in the smuggling of contraband cigarettes, is forced to watch four masked robbers kill his wife and his only son in a restaurant where he and his family are celebrating the young boy's first Holy Communion. From that moment on Don Salvatore has no other purpose in life but to get his revenge on the four assassins.

An alien vessel manages to break the earth defense systems. Captain Layton is sent to investigate and find the invaders. Together with friends from the planet Ganymed he discovers the enemies in a hidden underground city on earth.

FBI agent Brad joins Tony and Nick, the self styled Supermen who battle crime wearing bullet-proof super-suits. They are on a case involving radioactive counterfeit money and people who can be broken down into precious jewels.

A Caucasian named Aro, Tago, a giant son of Africa, and the Oriental, Chang take on an entire army of Amazons, using their amazing agility, knowledge of martial arts, and their ability to invent strange machines of war, the heroes proving themselves to be a match for the warrior women. Three men with supernatural powers interfere in a tribal warfare to prevent evil Amazons destroying the inhabitants of a village.

Professor Wassermann is asked by industry magnate Morgan Hunnicut to lead an expedition to study the giant Yeti creature found frozen in a large ice block on Newfoundland's coast. The professor does not know that Hunnicut intends to use the prehistoric creature as a trademark of its multinational industrial group. A very big mistake.