Love and righteousness are worth a thousand gold, and it is a pity to go to hell. Inspector Cheng Tian, with the help of his brother Xiu Ping and undercover Jun Xuan, repeatedly solved strange cases. The three formed an invincible iron triangle. Later, Jun Xuan defected, the three brothers went their separate ways, and Xiu Ping was wavering between the two. The three had opposing identities and were caught in a struggle between justice and love...