A gang-related criminal group in Yunshan City, Bac Giang Province was reported, and the provincial department sent an inspection team to Yunshan! The informant was discovered and silenced, the undercover police officer lost contact, and the verification team failed in its mission. Guo Wei, deputy director of the Serious Case Investigation Division of the Provincial Criminal Investigation Corps, was ordered to lead the team into Yunshan again. After careful deployment, a skynet was immediately launched, and the countdown to the destruction of the criminal group started...