A woman is accused by a poison-pen letter of murdering her husband.

FBI agent Mac Richards takes his girlfriend, Helen Phillips, to a world championship boxing match only to learn that the event has been canceled because the titleholder has been kidnapped. Mac is entrusted with the ransom money, but the kidnappers discover that his fellow agents have surrounded the train station locker where the money was to be dropped and order the champ's manager to have the money delivered by an usher to a different location. With Helen disguised as the usher and Mac driving a cab, the pair set off to deliver the money. The gang isn't taking any chances, though - they waylay the cab and take both the ransom money and Helen to their hideout. Now Mac and his fellow agents must rescue both the champ and his sweetheart before they come to harm.

Soda jerk reads mystery stories, fancies himself a master detective.

The small-town prudes of Lynnfield are up in arms over 'The Sinner,' a sexy best-seller. They little suspect that author 'Caroline Adams' is really Theodora Lynn, scion of the town's leading family. Michael Grant, devil-may-care book jacket illustrator, penetrates Theodora's incognito and sets out to 'free her' from Lynnfield against her will. But Michael has a secret too, and gets a taste of his own medicine.

Carrie Snyder is a prostitute, who is forced out of the fictional southern town of Crebillon, after forming a friendship with a young boy named Paul, whose dying mother is unable to protest against her son visiting such a woman. After Carrie has left town Paul runs away from his abusive father, and meets a girl named Lady who has run away from a burning trainwreck, not wanting to go back to the people she was with. Carrie comes back for Paul and ends up taking Paul and Lady to New York with her.

Mr. Bowser believes that he'll be able to clean the house better than his wife can.