Police detective Lanny resents the ongoing interference of the local FBI branch. Hoping to show up the feds, Lanny tackles a baffling espionage case. Things heat up when reporter sweetheart Ollie (Queenie Smith) is framed for murder.

After noted violinist Arthur Williams suffers a hand injury which ends his playing career, his hopes are transferred to his son, who prefers swing music to classical.

A detective matches wits with the female leader of a crime ring.

Larry Baker is a young fireman whose daring exploits have led him to receiving a lot of newspaper publicity which goes to his head. His sweetheart, Mary O'Connor, and fire-department friends begin to shun him as they think he is just a publicity hound. But a daring rescue of Mary and her younger brother, Mickey, from a blazing inferno ...

Private detective 'Duke' Martindale and his wife, Phyllis, an attorney, are working together to clear a girl falsely convicted of murdering a judge. Two people who know the truth are killed and 'Duke' Is shot at. Despite some interference by Police-Sergeant Brent, and a dangerous automobile chase and 'Duke' and Phyllis finding themselv...