Ivor Novello arrives as a lodger in a house when a man is killing blonde girls. The daughter is blonde and is going out with a detective investigating the case. They start to suspect that Ivor Novello is the killer. This is one of Alfred Hitchcock's early British films and set brought him to wider attention. Tthis is the film that has several scenes and camera shots that show Alfred's Hitchcock's creativity, which came to full fruition in his later films. For example there is the scene where Ivor Novello is walking around upstairs and the people downstairs are listening and Hitchcock uses a glass floor to almost show the sound. These were influnced by the German expressionist films that Hitchcock had seen in Germany. Ivor Novello later repeated his role in the 1932 talkie version Phantom Fiend.