Six years ago, the Pei City police used all their armed forces to attack the K Group, the largest drug trafficking group at the time, but in the end they allowed "K" to escape. During the pursuit, Lin Feng's friend Luo Xiaofei suffered an altitude sickness on the Qinghai-Tibet Plateau and died in the snowstorm.
Six years later, "k" appeared in Yun Mansion again, and Lin Feng received an order to go to Yun Mansion as an undercover agent... What will happen next...
Purpose: Resist drugs and praise those anti-drug heroes who shed their blood for the people.