The film revolves around the story of former SWAT captain Dong Gu (played by Andy On). Gangsters attacked the court, and Dong Gu suffered permanent blindness during the mission. After the mission, he was forced to take responsibility for the failure. Dong Gu gradually came out of the haze and adapted to his blind eyes with the company of his daughter. His old enemy reappeared, and his daughter was in danger. Dong Gu started a blind battle of life and death to save his daughter.