Due to a possible cholera epidemic onboard, passengers on a ship are forced to disembark at Pago Pago, a small village on a Pacific island where it incessantly rains. Among the stranded passengers are Sadie Thompson, a prostitute, and Alfred Davidson, a fanatic missionary who will try to redeem her.

In this comedy-mystery, a private detective helps three businessmen get even with the man who misused their investments. The detective plans to kidnap the man's wife so he can get her signature and reclaim the money. The detective didn't plan on falling in love with the wife, but he does, and mayhem ensues.

When a flower girl is kidnapped by a deranged White Russian, to impersonate the missing Princess Anastasia Romanoff while under his hypnotic spell, the French police attempt to solve the case with forensic method and the aide of a gentleman thief.

Dowdy Sylvia accepts her boss' marriage proposal, even though he only asked her to avoid marriage to another woman. As a wealthy wife, Sylvia changes from plain to uninhibited swan and even contemplates having an affair.