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.

Topper is once again tormented by a fun-loving spirit. This time, it’s Gail Richards, who was accidentally murdered while vacationing at the home of her wealthy friend, Ann Carrington (Landis), the intended victim. With Topper’s help, Gail sets out to find her killer with the expected zany results.

Andre and Colette Bertier are happily married. When Colette introduces her husband to her flirtatious best friend, Mitzi, he does his best to resist her advances. But she is persistent, and very cute, and he succumbs. Mitzi’s husband wants to divorce her, and has been having her tailed. Andre gets caught, and must confess to his wife. But Colette has had problems resisting the attentions of another man herself, and they forgive each other.

10 strangers are summoned to a remote island and while they are waiting for the mysterious host to appear, a recording levels serious accusations at each of the guests, including Judge Francis J. Quinncannon and Dr. Edward G. Armstrong, and soon they start being murdered, one by one. As the survivors try to keep their wits, they reach a disturbing conclusion: one of them must be the killer.

Philadelphia heiress Tracy Lord throws out her playboy husband C.K. Dexter Haven shortly after their marriage. Two years later, Tracy is about to marry respectable George Kittredge whilst Dexter has been working for “Spy” magazine. Dexter arrives at the Lord’s mansion the day before the wedding with journalist Mike Connor and photographer Liz Imbrie, determined to spoil things.