In a quiet small town, badly mutilated bodies are discovered one after another. Ouyang Jinghao, head of a special investigation team, joins forces with Mo Han'er, a brilliant detective from the provincial department, to begin their investigation.
Every clue points to a school. Beneath the day-to-day grind of senior year, undercurrents swirl, and it seems someone is secretly protecting a girl who is being bullied.
Everyone caught up in the case has a hidden past. The crimes bring them together, and their search for the truth becomes a journey of self-discovery and healing.
