Charlie Tully and womanising Reggie Peek con two rich Italians out of £500,000, but during their flight out, Charlie is arrested for scamming an American and a dog. Reggie stores the money in a Swiss bank and after Charlie is released, is about to tell him where...when he is suddenly killed by Sid Sabbath's gang, whose girlfriend was dating the (now) deceased! The only leads are four tattoos on the girls Reggie had affairs with while Charlie was in jail, but Sabbath is on Charlie's trail, and the tricked Italians have contracted the mob - to find the money, and then kill him...

Detective Scobie Malone accepts a mission to fly to London to arrest Sir James Quentin, a high-level commissioner wanted down under for murder. But when Malone arrives, he finds that the amiable Quentin is not only the key in groundbreaking peace negotiations, but also the target of an assassin himself.

The Earth is threatened by an alien race who kidnap and kill humans and even animals and use them for their body parts. In the year 1980 S.H.A.D.O. (Supreme Headquarters Alien Defence Organization), a highly secret military organization, is set up in the hope of defending the Earth from this alien threat. This organization operates from a secret location beneath the Harlington-Straker film studio in London. S.H.A.D.O. also has a base on the moon with Interceptors as well as an early warning satellite that detects inbound UFOs (called S.I.D.), and operate a fleet of submarines. General James Henderson and commander Ed Straker have a team of highly trained and well equipped females and males to battle the regularly incoming hostile UFOs.