Robert, a chemist, experiments on himself with a new drug that has an unexpected side-effect: it turns Robert into a woman whenever he gets sexually aroused!

Miles Logan is a jewel thief who just hit the big time by stealing a huge diamond. However, after two years in jail, he comes to find out that he hid the diamond in a police building that was being built at the time of the robbery. In an attempt to regain his diamond, he poses as an LAPD detective.