Carmelita and Uncle Matt find themselves in a haunted house, but the "ghosts" are actually enemy agents who are trying to frighten away visitors in order to develop a nitroglycerin bomb.
Pavel Hora offers his friend Jiří Pulpán a place to live. When they get home, they find out that the landlord has evicted Pavel to the yard because he found a love letter from his daughter Zuzanka.
A police lieutenant and a patriotic professional gambler, rivals in life and love, combine efforts to corner a gang of Nazi saboteurs operating out of a barber shop, in which their mutual girlfriend works, and unmask its secret leader.
A counterfeiting gang implicate a bank employee in their crimes, but their cover-story about a ghost in the house where they do their printing backfires on them.
A reporter investigates the murder of a showgirl, who was the widow of a millionaire. While digging in to the mysterious murder of a showgirl (Vivian Wilcox), intrepid reporter Bob Martin (Robert Lowery) uncovers a connection between that case and another one he's been working on.