While investigating a plot to overthrow the government of a Mediterranean nation the Protectors end up confronting two old friends of the Contessa, one whom with she was romantically involved with.
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 Contessa gives Harry a shotgun for his birthday which he soon puts to good use when while investigating political blackmail he becomes the quarry in a manhunt.
A small fluffy dog called Muffin is kidnapped from a hotel to place a microfilm in its collar. The dog is due to be ttansaported to NY. Harry saves the day.