A morally compromised police officer named Shing lives a reckless life, shamelessly indulging in corruption and vice. His existence takes a sudden turn when he gets involved in a police raid that results in the arrest of a young girl, Yan. Yan, seemingly innocent, claims to be Shing's daughter from a long-forgotten romance. Skeptical and unsettled, Shing grapples with the notion of fatherhood and the responsibilities it entails, all while trying to navigate his dubious career. As he takes Yan under his wing, the relationship they develop begins to challenge his corrupt ways and forces him to confront his past misdeeds.

Bound by a search for redemption and a burgeoning sense of responsibility, Shing delves deeper into Yan's life, wanting to understand her and unravel the truth. The unlikely duo confronts numerous hurdles, including both of their troubled pasts and their own personal demons. As they attempt to forge a meaningful relationship, Shing is drawn into a complex web of intrigue and danger. Their journey of self-discovery and reconciliation takes unexpected turns, each revelation pushing them to face hard truths about family, trust, and sacrifice.