Night Beat -- A World All Of His Own aka She Who Laughs Last

Night Beat was a radio noir drama series that aired on NBC from February 6, 1950 to September 25, 1952, following Randy Stone, a tough, street-wise newspaper columnist for the fictional Chicago Star who worked the night beat. In this early episode, Randy Stone encounters a story that explores themes of isolation and revenge, leading him into the darker recesses of Chicago's nightlife where he encounters characters living in their own private worlds of desperation or delusion.