The film follows Song En, a police officer who sacrifices his identity to combat dark forces poisoning the local area. He faces his father's murder and infamy, eventually joining forces with the police to crush the darkness.

The film tells the story of the protagonist Song En (actor Xie Mengwei), who gave up his police identity in order to destroy the dark forces that were poisoning the local area and the people hiding deeper behind them. He also bore the hatred of his father's murder and the infamy of being a traitor to the police force, lurking in the dark forces and becoming a pawn of the criminal organization, embarking on a lonely road of playing against the dark forces alone, full of dangers. In the end, he joined forces with the police to crush the darkness.—Douban