"When I was in stir, I heard these boys was going straight... Ain't it terrible what vicious gossip you hear about people?" That's what people are saying about "Blackie" (Chester Morris) and his pal "Runt" (George E. Stone) when they are naturally top of the list of suspects for "Insp.Faraday" (Richard Lane) and his dim-witted sergeant "Matthews" (Frank Sully). It's all the more complicated because our recently reformed pairing have only just taken over the running of a private investigation firm that was previously owned by a friend who suddenly lost control of his car on a dark and windy road...