Jean St. Clair

Simon meets up with an old friend who insists on painting the town red while his wife is away and becomes the victim of a blackmail plot.

The crooked Abdul Graner has stolen a priceless diamond from the Louvre and is now awaiting an expert to come to his villa in the Canary Islands to cut the diamond for him. Unbeknown to Graner this is the Saint, working for the police.