A married scientist (Cary Grant) is trying to prefect a supplement that will make people feel younger. Unknown to anyone, an escapee chimp prefects it by accident. The concoction is placed in the bottles water dispenser. From there it is first assimilated by the scientist who dispenses with his glasses, obtains a racy car and the boss's secretary (Marilyn Monroe). Later experiments include the wife (Ginger Rogers) as the genuine pig. Eventually, a hatchet job peruses and the movie gets even stranger.This is a very busy movie with no down time. There is lots of noise and action. You will not have to worry about falling asleep.