In 1998, in Jincheng, police academy student Chen Mo, in order to investigate the truth behind his father's "accidental" death and his brother's "treason" and disappearance, infiltrated the local black gold empire controlled by the Li brothers under a pseudonym. He walked alone amidst the bloody rules and silent crimes, gradually uncovering a corrupt black network that penetrated into the core of power. Faced with his own brother who has become the group's number one killer, he made the ultimate choice between family affection, justice and survival.
