On a rainy night, the old house at No. 14 Chengnan Road welcomed its ninth tenant.
The endings of the first eight are all written in the police files: the first was hanged on the attic beam, with seven copper coins scattered at his feet; the second was drowned in a bathtub without water, with wall dust stuffed between his fingernails; the third was strangled to death by "invisible hands" in the living room, leaving only half a button with tooth marks on the scene...