Josh and Dinah Barkley are a successful musical-comedy team, known for their stormy but passionate relationship. Dinah feels overshadowed by Josh and limited by the lighthearted musical roles he directs her in. So she decides to stretch her skills by taking a role in a serious drama, directed by another man.

Marc Hill is the attorney for Emmet Devrey, a real estate developer with a past, who is being blackmailed by his former partner Sam Baggett. When Sam's unfaithful wife Marge cooks up a scheme with her used car salesman lover Jeff Calder to bilk both Devrey and her alcoholic husband, Sam is killed and Devrey is accused of the crime. Mark is called to prove his employers innocence.

Song-and-dance man Bert Kalmar can't continue his stage career after an injury, so he has to earn his money as a lyricist. By chance, he meets composer Harry Ruby and their first song is a hit. Ruby gets Kalmar to marry his former partner Jessie Brown, and Kalmar and Jessie prevent Ruby from getting married to the wrong girls. But due to the fact that Ruby has caused a backer's withdrawal for a Kalmar play, they end their professional relationship.

Rocky and Dan, war buddies, are prowl car cops on night duty. Dan is a cynic who views all lawbreakers as scum; Rocky feels more lenient. Both are attracted to the radio voice of communicator Kate Mallory; but in person, Kate proves reluctant to get involved with men who just might stop a bullet. By lucky chance, Rocky and Dan cause big trouble for murderous racketeer Ritchie Garris; but when he swears vengeance, Kate's fears may prove justified.

A daffy door-to-door saleswoman blunders into a murder investigation.

A night club owner takes on the crooks who killed his best friend.