Marine bandmaster John Philip Sousa (Clifton Webb) becomes famous for his marches and inspires the sousaphone.

This film-noir piece, told in semi-documentary style, follows police on the hunt for a resourceful criminal who shoots and kills a cop.

A mother attempts to protect her murderous daughter.

After years of investigation, Assistant District Attorney Martin Ferguson has managed to build a solid case against an elusive gangster whose top lieutenant is about to testify.