Having faced bullets, bullets, and conspiracies countless times, after stripping away all his glory and returning to the city, Patrolman just wanted to remain anonymous and be an ordinary person. Unexpectedly, he was faced with the tragedy of family destruction and death. His parents died tragically one after another, and he gradually embarked on his own path of revenge. In the process, he unexpectedly encounters countless tender feelings and encounters a series of unexpected changes. His iron fist avenged bloodshed and conquered a piece of the sky that belonged to his subordinates, but it could only break through the fog of tenderness.