Monster of the Secret Chamber
密室怪人
Monster of the Secret Chamber FMovies. A rich man's house is the scene of three consecutive nights of murder, resulting in the murder of two people and the disappearance of one, and all the people in the house have become suspects. In the end, after much investigation, the murderer is found to be a “secret room monster”, which leads to a four-cornered love affair between three men and one woman.