Monkey Business (1952 film)

Monkey Business is a 1952 American screwball comedy film directed by Howard Hawks and written by Ben Hecht, which stars Cary Grant, Ginger Rogers, Charles Coburn, and Marilyn Monroe. To avoid confusion with the famous 1931 Marx Brothers movie of the same name, this film is sometimes referred to as Howard Hawks Monkey Business.

Unaware of Esthers antics, Fulton tests his latest experimental concoction on himself and washes it down with water from the cooler. He soon begins to act like a 20yearold and spends the day out on the town with his bosss secretary, Lois Laurel Marilyn Monroe. When Fultons wife, Edwina Ginger Rogers, learns that the elixir works, she drinks some along with water from the cooler and turns into a prankpulling schoolgirl.Edwina makes an impetuous phone call to her old flame, the family lawyer, Hank Entwhistle Hugh Marlowe. Her mother, who knows nothing of the elixir, believes that Edwina is truly unhappy in her marriage and wants a divorce. ........

Source: Wikipedia