A friend of Harry's insists on doing a dangerous skydiving trick despite the fact that gold smugglers are trying to kill him.

The Protectors devise an elaborate con to recover a priceless antique which a woman had been conned out of.

Harry and the Contessa are the victims of a car crash that was engineered to get information out of them.

The daughter of a gangster whom Harry helped put in prison fails twice in her efforts to kill Harry.

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.

A kidnapped Paul will be blown to bits unless Harry and the Contessa help steal jewels which they have been hired to safeguard.

The Contessa is captured by a psychotic killer who puts her on trial for her life.

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

After unsuccessful attempts on their lives, Paul and the Contessa are too late to warn Harry that someone is out to kill him.

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

Harry must land a small plane on his own when the pilot dies.

Drug dealers plan on using someone who can impersonate Harry's voice in order to get information out of a blinded Paul.

Harry finds his family being threatened after he agrees to guard a visiting president in London.

The Protectors end up in trouble in the Roman tombs.