Following a late-night incident where "Manleder" (played by Harry Hayden) nearly forced entry into his home, he tells "Blackie" (Chester Morris), and "Runt" (George E. Stone) about his nephew’s confinement in a mental institution on suspicion of being a strangler – an individual who has apparently escaped. Despite assurances that everything would be alright, "Blackie" finds himself confronting the supposed killer, "C…