Li Jin's parents were police officers who died in the line of duty. He grew up in a police compound and was raised by an old detective (later his superior). He has a natural hatred of crime and is determined to become the best police officer. The first to graduate from the police academy, he is proficient in fighting, shooting, tracking and counter-tracking. Because of his excellent psychological quality and "thousand-faced" disguise ability, he was secretly selected into the "Sword" special operations team to perform the most difficult undercover missions...
