Hard-boiled private dick Hamilton Nash is hired to investigate a case of stolen diamonds, which leads him to a lovely and odd young woman named Gabrielle, who believes she has been stricken with the ancient curse of the Dain family. The curse has historically caused its victims to die prematurely.

• James Coburn
• Hector Elizondo
• Jason Miller
• Jean Simmons
• Paul Stewart
• Beatrice Straight
• Tom Bower
• David Canary