While visiting the circus with his family, Charlie is recruited by the big top's co-owner to investigate threatening letters that he's received.

Charlie Chan is sought out by Pamela Gray, a desperate young socialite whose brother Paul awaits execution for the murder of a weapons inventor. Pamela is convinced of his innocence.

A London nightclub hostess pretends to fall for the mobster who killed her husband.

Three men escape from prison, go back to their hometown to try to find out who framed them.

Catherine and Mack and their close friends Chris and Madge graduate from a West Coast college and fly to New York City to find work.

Charlie is hired to deliver a pearl necklace to a millionaire at his ranch. When murder intervenes he disguises himself as a Chinese servant and begins sleuthing.

A radio commentator named Perry Travis fancies himself a brilliant amateur detective. The cops wish he’d stick to his microphone and let them do the detecting. This proves impossible when a famed scientist is murdered in Perry’s studio, right in the middle of the interview. All evidence points to Perry, and he sets out to clear his name before the Shadow-like villain roaming the hallways of the radio station gets away with murder.

Kay is a girl living in a small rural town whose life is just too dull and repetitious to bear. One night, she meets young, handsome, and rich Bob Dakin, who asks her for directions while drunk and then proceeds to take her out on a night on the town. Kay likes the stranger, and when the drunken Bob decides that they should get married, Kay hesitates little before consenting. The morning after the affair, Bob, once sober, regrets his mistake. His strict and upright parents, however, insist that the young couple pretend marriage for 6 months before divorcing, in order to avoid bad publicity. Bob resents Kay for standing in the way of him and his fiancée, Priscilla, but Kay still hopes that he'd have a change of heart.

Dinner party guests become murder suspects when an extortionist they all hated turns up dead.

An American star, visiting Paris, falls asleep in the Louvre while a guide comments on Watteau's "Voyage à Cythère". She dreams that the painting's characters, beautiful ladies, escape, scattering across Paris after a tour of the fashion houses.