An accident occurred when he was young, and his younger brother was taken away. There has been no news from his parents since then.
Many years later, he became the leader of the serious crime team, focusing all his attention on each crime. Those past events about his family were suppressed deep in his heart.
His new colleagues were at odds with him in every possible way. But after facing danger countless times, the confrontation gradually deteriorated, and the two became each other's weakness and reliance.
A series of cases surfaced, and the bizarre "living dead" disrupted all investigations. Old clues that had been dusty for many years also resurfaced, pointing to his missing parents.
On a drunken night, under the dim street lights, he was caught off guard and saw that unforgettable face.
The young man smiled at him and disappeared into the night.
More and more doubts arise.
The truth he desperately seeks seems to be far more piercing than imagined.
Concept: blood does not necessarily mean goodwill. He was trapped in his obsession with family reunion, but found that the relatives he longed for were deeply involved in sin. Amid the pull of justice and family affection, he breaks free from his false past and completes his self-salvation in the company of his lover.