A retired bodyguard fights a deadly duel with criminals to save his daughter. Da Rong was once one of Southeast Asia's top bodyguards, but failed in mission that led to the death of his brother. His wife also unexpectedly died at a similar time, which led a sad and frustrated Da Rong to retreat and live an ordinary life. Unexpectedly, his rebellious daughter accidentally gets involved in criminal drug trade and was kidnapped. In order to save his daughter, Da Rong re-emerges again, on this rescue journey.

The film tells the story of narcotics police officer Huang Mingjin and the "mysterious figure" Wei Yunzhou. Through completely different means and methods, in the process of calculating and wrestling with each other, they tear apart the facade of urban tranquility, exposing the underground drug network woven by the hidden hand "Long Wang", and ultimately eradicate the darkness with the sword of justice, revealing the dawn of light.

Criminal investigator Shen Ke encountered continuous disappearance cases. Under the guidance of Captain Liu Ling investigator one by one to crack the mystery and solve the female serial murders