Cheung Sing Hei was sent to prison for murdering his stepfather. The key witness of the case turns out to be his cousin Tong Lap Yeen. Ten years later, Sing Hei is released from prison. Lap Yeen is now one of the most influential people in the city while Sing Hei's reputation and future are in ruins. Feeling extremely frustrated and harboring suspicions about the case ten years ago, he is desperate to find out the truth behind his stepfather's death. After some investigation, Sing Hei realizes who the real killer is, but there appears to be no motive. More importantly, evidence is also lacking. This story is about how Sing Hei exposes the truth and ultimately proves his innocence.