Chen Junjie, a genius from the police academy, stepped into the police force with the mystery of his father's death in the line of duty. From his first appearance in a sudden robbery on the street, to facing the test of life and death as an undercover gangster, in the process of solving a serial murder case, he gradually uncovered the dark police network within the police force. When he discovers that the truth about his father's death is related to his current boss, he must make a choice between legal justice and revenge.
