Adam and Eve are in the Garden of Eden preparing their latest meal. After the meal, they take a stroll through time. They make a few stops along the way for some musical interludes. These stops include in the Gardens of Emperor Nero of Rome for a concert circa 100 A.D., in King Arthur's court, and at a beach resort in current times.

John Evans encounters his lookalike, Malcolm Scott. When Scott is killed in an accident, Evans finds himself mistaken for Scott and decides to do some good in his new role.

Mrs. Topper's friend Mrs. Parkhurst has convinced Mrs Topper to file for a divorce from Cosmo due to the strange circumstances of his trip with ghost Marion Kirby. Marion comes back from heaven's door to help Cosmo again, this time only with dog Mr. Atlas. Due to a strange behavior of Cosmo, the judge refuses to divorce them, so Mrs. Parkhurst takes Mrs. Topper on a trip to France where she tries to arrange the final reasons for the divorce. With help of a gold-digging French baron, Marion takes Cosmo to the same hotel to bring them back together and to get her own final ticket to heaven, but the whole thing turns out to be not too easy.

Fun loving couple George and Marion Kerby, bank stockholders, are killed in a car accident. As ghosts they need to to a good deed to get into heaven. Their target, stuffy, hen-pecked bank president, Cosmo Topper. Their good deed, they decide, should be to help Topper add a little fun to his life. And the hilarity ensues...