A series of unexplainable accidents befall the people and companies responsible for developing the world's first supersonic airliner. A British agent is sent to investigate and with the help of another agent uncovers a plot masterminded by Carl Petersen who stands to gain eight million pounds if the aircraft is not ready by a certain date.

B 501, a newly developed controller for missiles, has disappeared despite the strict surveillance. Phillippe Tissout is sent by his boss to Paris to take over the case.

The supposedly dead and buried Mabuse returns to his criminal activities, as his longtime foe Police Inspector Lohmann, a dauntless girl reporter, and an American - who may be an FBI agent, or maybe a Chicago mobster - investigate a series of gruesome murders connected to a maximum security prison and involving a minister who has written a book called "The Anatomy Of The Devil".

Matt Helm is called out of retirement to stop the evil Big O organization who plan to explode an atomic bomb over Alamagordo, NM, and start WW III.

After spending three years in an asylum, a washed-up actor views a minor assignment from his old director in Rome as a chance for personal and professional redemption.