A masked criminal who dresses like a giant bat terrorizes the guests at an old house rented by a mystery writer.
Director: Roland West
Cast: George Beranger, Charles Herzinger, Emily Fitzroy, Louise Fazenda, Arthur Housman, Robert McKim, Jack Pickford, Jewel Carmen, Sôjin Kamiyama, Tullio Carminati, Eddie Gribbon, Lee Shumway, Stanton Heck