In the plum rain season, within an ancient town south of the Yangtze River, each of them bears their own troubles, their thoughts trapped in time. On a stormy night, four people meet by chance in a small noodle shop, only to find they are long-lost acquaintances.

A veterinarian vanishes from a pig farm, possibly linked to an evil ghost killer who terrorized the area 20 years ago. As new victims emerge, a police officer investigates the farm family's suspicious behavior, uncovering darker secrets.