Don Lee is a deeply troubled police detective who has experienced numerous professional and personal setbacks. Haunted by a botched operation that left an informant dead and his own marriage in shambles, Don is driven by guilt and a relentless desire for redemption. He becomes fixated on bringing down the notorious gang leader Barbarian. In order to accomplish this, Don recruits Ghost, a skilled but emotionally scarred street racer, as his latest informant. Ghost, desperate for money to secure a better future for his sister and himself, reluctantly agrees to infiltrate Barbarian's gang, despite the immense danger involved.

As Ghost delves deeper into the criminal underworld, he faces constant threats and tests of loyalty that put his life at risk. Don, struggling with his own internal demons, tries to guide and protect Ghost from the sidelines but finds it increasingly difficult to keep the young man safe. Tension mounts as both men grapple with their own moral dilemmas and the cost of their choices. The situation intensifies when Barbarian's plans grow more ruthless, pushing Ghost to the brink. The film reaches a gripping climax, exploring themes of trust, sacrifice, and the heavy burden of guilt.