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.

A corpse that goes out late at night to pick flowers. When a woman meets him, she falls ill; when a young girl meets him, she lies down and dies. Luckily, the corpse is eventually eliminated.

Hong Kong horror movie from 1939.

The movie is a horror movie with a deep moral. A number of ghosts appear in the movie, including a ghost that escaped from the Ghost Gate, an unjust ghost released from the City of Wasted Death, a sleazy ghost trapped in the Beauty Gate and a living hangman's neck.