Fed up with her small-town marriage, a woman goes after the big time and gets mixed up with the mob.
In post-war Europe, a diverse group of passengers aboard a U.S. Army train to bombed-out Frankfurt becomes involved in a Nazi assassination plot.
A savings-and-loan bank is robbed; later, a police wiretap identifies meek bank teller Leon Poole as the inside man. In capturing him, detective Sam Wagner accidentally kills Poole's young wife, and at his trial Poole swears vengeance against Wagner. Poole begins his plans to get revenge when he escapes his captors.
