A wealthy recluse hires the Protectors to break his brother out of prison.

While investigating a plot to overthrow the government of a Mediterranean nation the Protectors end up confronting two old friends of the Contessa, one with whom she was romantically involved.

The West German government hires the Protectors to put a pension fund that is supporting fugitive Nazi's out of business.

The KGB hires the Protectors to capture a renegade Russian scientist who plans on destroying London with a new virus to show the world how dangerous biological warfare can be.

The Protectors only hope of putting a drug smuggling ring out of business lies in being able to decode a coded letter.

The police hire the Protectors to guard the corpse of a bank robber as part of a ruse to capture his accomplices.

In Malta, with only the body of a dead hippie as a clue, the Protectors go after smugglers despite having no idea what it is that is being smuggled.

The Protectors are hired to track down Bennett, a missing Canadian agent who holds valuable information about a new American-Canadian sky project.

Harry is hired to protect a disturbed Vietnam war veteran.