Mrs. Hoyle, a retired school teacher, resides in a hotel bought by Morganti, a gangster, who evicts most of the tenants but allows Mrs. Hoyle and Angela Brown, a dance-hall girl to remain. Mrs. Hoyle`s influence for good is felt quickly by Morganti and all of his henchmen with the exception of Rogan. Ther latter, despite Morganti`s orders to go straight robs a market with his accomplice Slatterty. Mrs. Hoyle is arrested when the robbery money and jewels are found in her apartment.