In New York City, a bank robbery of $300,000 goes unsolved for a year, until some of the marked bills are found in a Los Angeles drugstore theft. Police detectives Cal Bruner and Jack Farnham investigate and are led from the drugstore to a nightclub, where singer Lilli is another recipient of a stolen bill. With Lilli's help, the partners track down the remaining money, but both Lilli and Jack are dismayed when Cal decides he wants to keep part of it.

Famed Depression-era gangster “Baby Face Nelson” robs and kills while accompanied by his beautiful moll.

A social worker tries to end juvenile crime by getting involved with a street gang.

Army Lieutenant Halliday, accused of stealing the Army payroll, pursues the real thief on a frantic chase through Mexico aided by the thief's ex-girlfriend and is in turn being chased by his accuser, Capt. Blake.

NYPD detectives Bonaro and Madigan lose their guns to fugitive Barney Benesch. As compensation, they are given a weekend to bring Benesch to justice. While they follow various leads, Police Commissioner Russell goes about his duties, including attending functions, meeting with aggrieved relatives, and counseling the spouses of fallen officers.