Li Yao, a medical volunteer, provides medical assistance to local villagers in a village in Aiduli of some country. She is captured by kidnappers there and becomes a prisoner. Her father gets the news, contacts Zhang Zhen and Wu You’s security team to come to Li Yao's rescue. After they succeed, they find that there are still some compatriots trapped, so they return and seize transportation tools to go to the highlands and seek rescue. The security team goes in an intensive chase of the kidnappers. Zhang Zhen, Lei Ting and Wu Ming all sacrifice. After that, Wu You helps Li Yao and other survivors get rescued......

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