Proud Irishwoman Bridie Quilty journeys to Dublin while World War II rages across Europe. During her travels, she encounters J. Miller, who recruits her as a Nazi spy. She acquires the necessary information that leads to the breakout of a German spy who holds key information about the Allies' newest offensive plans. However, the arrival of British officer David Baynes and his romancing of Bridie lead to unexpected consequences.

A struggling actress tries to help a friend prove his innocence when he's accused of murdering the husband of a high-society entertainer.

Someone is stealing priceless paintings from the great museums of the world and replacing them with nearly flawless forgeries. Leonardo da Vinci's "Madonna and Child" is being shipped to London's Tate Gallery for a special exhibition, and Paul Mitchell is assigned to protect it. Upon the painting's arrival, Paul realizes it has been switched. Eager to collect the museum's $50,000 reward, he teams up with Mary Mason, a Tate employee, to recover the original.

The exciting adventures of five children who set out to vindicate a school friend wrongly accused of theft from the local museum.

A prison governor deals with a variety of different prisoners, including a charming murderer.

A gang of four would-be robbers plans to steal a fortune in currency hidden aboard the "Flying Scotsman" in a railroad stateroom by cutting through the wall of the adjacent stateroom, but find themselves up against numerous unexpected drawbacks, including interference by their fellow passengers.

A gang of criminals plan to steal a valuable Burmese idol from a British museum but are foiled by the curator.

John Forrest is anticipating a quiet retirement spent penning detective fiction when he learns that a priceless collection of jewels belonging to a foreign potentate, Prince Homouska, has just vanished from the safekeeping of the Stamford Assurance Company. Aided by his butler, his Cockney assistant and his (initially) unwilling wife, Forrest sets out on the trail of the thieves.

Sailor Frankie Martin is offered a thousand pounds by a millionaire in disguise if he can earn a hundred pounds in a week by honest means. Frankie tries his hand as a boxer, a bouncer and a commissionaire, and finally finds success as a singer. He also falls for the charms of night club chanteuse Julie, and this leads to further success when he wins a recording contract.

A writer of murder mysteries finds himself caught up in a string of murders in London.