In 1932, a cop is killed and Frank Wiecek sentenced to life. Eleven years later, a newspaper ad by Frank's mother leads Chicago reporter P.J. O'Neal to look into the case. For some time, O'Neal continues to believe Frank guilty. But when he starts to change his mind, he meets increased resistance from authorities unwilling to be proved wrong.

In 1903, Doctor Huntington Bailey meets a friendly older lady during a train trip. She tells him that she is going to visit her brother Nick and his lovely young wife Allida. Once in New York, Bailey hears that his train companion suddenly died. Shortly afterward, he meets the strange couple and gets suspicious of Nick's treatment of his wife.

The US Government tries to track down embedded Nazi agents in the States.

Miss Winters is a dancer with the Tommy Dorsey Orchestra and is asked to secretly transport a prototype magnetic mine to Puerto Rico. She thinks that she is working for the US Government, but fails to see why she would be involved.

Movie star Shelah Fane is seeing wealthy Alan Jaynes while filming in Honolulu, Hawaii, but won't marry him without consulting famed psychic Tarneverro first. Enter inspector Charlie Chan of the Honolulu Police, investigating the unsolved murder, three years earlier, of a Hollywood actor.

In the midst of World War II, Sherlock Holmes rescues the Swiss inventor of a new bomb-sight from the Gestapo and brings him to England, where he quickly falls into the clutches of the evil Professor Moriarty.

Married sleuths (Gracie Allen, William Post Jr.) find a corpse in their closet and round up suspects.

Set during Prohibition, the movie centers on Touhy's rise from small time thug to the city's most powerful bootlegger whose empire is rivaled only by that of Al Capone (who is referred to, but never named in the story). It is his rival who frames Touhy for kidnapping and arranges for him to serve a life-long term in Stateville prison. Determined to be free again, the desperate Touhy and his cellmate Basil "the Owl" Banghart, begin plotting a violent break out.

In 1864 a Secret Service agent for the Union army goes undercover in Richmond and pretends to be a Confederate captain.

The staggeringly wealthy Norah Hunter, a shipyard owner, too often finds herself the romantic target of gold-digging men. To attract a suitor whose main interest is not money, she changes places with her secretary, Sylvia Lockwood, and assumes the role of a young working woman. However, she then falls for recuperating fighter pilot Anthony Travis, who, in turn, is madly in love with Sylvia -- or, perhaps, with the millions he thinks she has.