Xu Song, the sole survivor of a brutal family massacre, undergoes a painful transformation and returns to his hometown disguised as the night watchman Mao Xiaoshan. As he investigates eerie supernatural occurrences, he uncovers a dark conspiracy behind his family’s downfall. Armed with years of Maoshan training, he embarks on a relentless quest for vengeance, facing ghosts, betrayal, and deadly foes in a final battle for justice.

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