Modesty Blaise hair style, and mod clothing change at a snap of her hands is being used by the government as being a decoy in an effort to thwart a diamond heist. She is being set up by the feds but is prudent to this plot and calls from sidekick Willie Garvin and a few other friends to outsmart them. At his island hideaway the diamond thief got his own strategies for Blaise and Garvin