Modesty Blaise, a secret agent whose hair color, hair style, and mod clothing change at a snap of her fingers is being used by the British government as a decoy in an effort to thwart a diamond heist. She is being set up by the feds but is wise to the plot and calls in sidekick Willie Garvin and a few other friends to outsmart them. Meanwhile, at his island hideaway, Gabriel, the diamond thief has his own plans for Blaise and Garvin.

• 20th Century Fox
• Monica Vitti
• Terence Stamp
• Dirk Bogarde
• Harry Andrews
• Michael Craig
• Clive Revill
• Alexander Knox
• Rossella Falk