A series of bizarre, seemingly unrelated murders in a declining industrial town in 1990s Northeast China reveal the intertwined fates of their victims, ultimately uncovering hope and humanity amid brutal survival.

Rain-soaked night murder attempt unravels when father-daughter detectives Lao He and He Ying, grappling with impending retirement and fractured familial bonds, confront a case entangled with their past as suspects lead to the shadowy secrets of the Han Dong couple they once knew.