In the Next Room

In The Next Room is a 1930 American PreCode mystery film released by First National Pictures, a subsidiary of Warner Bros. and directed by Edward F. Cline. The movie stars Jack Mulhall and Alice Day. The film was based on the play by Eleanor Belmont and Harriet Ford, which itself was derived from the book The Mystery of the Boule Cabinet by Burton E. Stevenson.

For years the house had one occupant the butler Alister. Vantine moves in with his daughter Lorna Day and maid and retains the elderly butler to help take care of the house. One night, the police arrive at the house after receiving a telephone call that a murder has just been committed on the premises. When they arrive, the police are surprised to find that no one in the house knows what they are talking about. That same day a valuable antique cabinet arrived at the house, and this has attracted several strangers to come to examine it.A young reporter, James Godfrey Mulhall, who has come to see Lorna, also arrives at the house. As the police are investigating the mysterious telephone call, a series of strange events occur. As Godfrey is helping Lorna to open the antique cabinet, they find a hypnotized woman inside. The police are then notified. When everyone returns to the cabinet they find the woman has disappeared. One of the detectives, Tim Morel OConnor, is knocked unconscious. Vantine is also hit on the head, but stays conscious. The son of the former owner of the cabinet is soon found murdered. ........

Source: Wikipedia