A special agent is assigned to protect a wealthy business magnate. However, when the businessman is kidnapped in a daring ambush, he teams up with a seasoned detective to crack the case. But soon he discovers the case isn't that simple.

Lee Rock is now the most powerful person in the police force, but he chooses to retreat, because he knows the rules of the power struggle.

Lee Rock starts his career in the Hong Kong police force as an incorruptible officer. However, he becomes desperate for money and slowly starts to dive into corruption.