When medical worker Li Yao offers medical help to local residents in a village in Aiduli as a volunteer, he is suddenly attacked by bandits and captured. His father learns about it, and contacts Zhang Zhen and Wu You's security team. The security team saves Li Yao, but some other compatriots are still controlled by the bandits. So the security team goes back, takes away the bandits' means of transportation to send out signals in a high place. The security team members have a fierce fight with the bandits. Zhang Zhen, Lei Ting and Wu Ming die successively. Under the protection of Wu You, Li Yao and other survivors finally see people that come to rescue them.