One Murder, Five Deaths (1963)

Mrs. Yin was murdered, and the detective suspected that the Yin family was responsible. He ordered his men to stay in the mansion and not leave. However, a series of murders occurred in the mansion, with the Yin family's children being killed one after another, leaving only Yin Zhilan. The detective secretly set a trap to lure out the killer and uncover the truth behind so many murders.