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

Modesty, raised by a casino owner after being abandoned by her parents, has become skilled in the ways of fighting and now acts as the casino owner’s bodyguard. When she’s unable to prevent the owner’s murder at the hands of an old foe, Modesty is hell-bent on seeking revenge. — An adaptation of the Modesty Blaise novels and comic strip by Peter O’Donnell.