Wang Tiemei, a single mother, loses her job and moves, befriending neighbor Xiaoye who appears cheerful but is depressed. Their bond grows as Tiemei navigates relationships with her ex-husband causing trouble.
A bridge collapses in broad daylight.From the wrecks investigators discover a human skeleton and a whistleblowing letter revealing the corruption behind this flawed construction. The daughter of the deceased gets approached by a young fugitive who claims to have witnessed the murder.They secretly investigate and the ugly truth unearthed deeply infuriates her.She takes vengeance into her own hands.
