Blithe Spirit

Rex Harrison plays a novelist, newly married to straight-laced Constance Cummings. While researching a book on spiritualism, Harrison is teased and tormented by the mischievous ghost of his first wife, Kay Hammond. Believing that Hammond wants to ruin his marriage, Harrison enlists the services of local medium Madame Arcati (Margaret Rutherford). When Arcati fails to exorcise Hammond's spirit, Harrison decides to kill himself so that he can be reunited with her and spare wife number two the aggravation of being haunted. But Harrison's plans go awry: His second wife is killed, and now he has two playful spirits on his hands! (official distributor synopsis)