The Ninth Criminal Investigation Squad of the Jingbei City Public Security Bureau is a fearless, hard-fighting team. After Team Leader Chen Wei fakes his death to go undercover in a case with supernatural elements, squad member Zhang Qian takes over. Later, the entire squad is wiped out during an operation. Their superiors decide to rebuild the Ninth Squad, and the reformed team is much stronger than before. They handle not only ordinary criminal cases but also all kinds of supernatural ones. They bring down one evil organization after another connected to supernatural incidents, while also solving ordinary criminal cases among the best in the business. The people of Jingbei City are protected by those who have risked life and limb for them. The rebuilt Ninth Squad lives up to the trust placed in them, solving murder after murder together. Squad member Chen Liang dies in the line of duty, and his posthumous child inherits his father’s mission and eventually becomes the squad leader.
