The Mailbag Robbery

When the daughter of a newspaper publisher is falsely charged with murder, a reporter on her father's paper goes into hiding with her. At first hoping to get an exclusive story, the reporter eventually finds himself falling in love and trying to find the real killer.

Police detective Mary Ryan is given an assignment to break up a gang of jewel thieves and fences. She, using an alias as a convict, is placed in the cell with a suspected member of the gang. Upon release she becomes a gang member but the gang leader is suspicious of her.

A girl who is a famous singer in Brazil comes to New York to help clear her brother, who has been charged with arson and murder.

Josie Lamonte (Marian Marsh), upset by experiences at the "Club Naturelle", where she had hoped to acquire 'poise and personality' for a stage career, fires a tirade at club owner ""Lucky" Rogers (Edward Raquello) for his unprincipled ways of recruiting nightclub girls. The suicide of Josie prompts a broadcast by newscaster/columnist Wally King (Richard Arlen) in which he blasts Police Captain McGraw (Wade Boteler) of the Missing Persons Bureau. He mentions that this girl had been missing for months while her photograph was being seen posted by passersby of the police station. McGraw challenges King to locate some of the missing girls himself. Kay Roberts (Rochelle Hudson), sister of Josie, brings King a letter that indicates Josie's death was not suicide. King persuades showgirls he has done favors for to act as investigators. They find that an art salon, an escort bureau, and a theatrical agency are all operated by the "Club Naturelle." He then sets a trap to bring Rogers and his henchmen to justice.

Steve Kostain (Lund), nephew of the owner, begins working at a steel mill to learn the business from the bottom up. He rooms with a steel working family, the McNamaras, and falls for the daughter, "Red" (Sheridan), who is already involved with another steelworker, Jim (Duff.) Although he is at first has a hard time with his co-workers, he eventually wins them over, and also wins the girl.

A famed war pilot (nicknamed "Tailspin Tommy") is held hostage for his bomb targeting invention.