Tang Xinsheng is the commander of a motorized infantry brigade of the Chinese People's Liberation Army. On May 12, 2018, he completed the exercise mission and prepared to bring the troops back. At this moment, the sky suddenly fell apart, landslides occurred, and houses collapsed. Tang Xinsheng was an orphan of the Tangshan earthquake, and he immediately realized that it was a huge earthquake. Soon the communication was cut off, and Tang Xinsheng was unable to get in touch with his superiors. In the absence of orders from his superiors, Tang Xinsheng decisively decided to change his return plan and devote himself to rescue in the disaster area. At this time, the Party Central Committee had already issued a disaster relief order immediately after the earthquake, and 100,000 troops of the People's Liberation Army had gathered from all directions to the disaster area. Among them was Tang Xinsheng's wife Wei Jihong, who was also rushing to the army as a military doctor. At this time, the city of Yingchuan County was in ruins and devastated, and the county party secretary Ren Yue led the rescuers to the front line of disaster relief. The teacher Qi Hongyu was worried about the safety of her fiancé Zhang Xiangchuan, but she couldn't take care of it anymore. She led the students to start self-help. At this time, Zhang Xiangchuan, who was also worried about the safety of his fiancée, was also on his way to the disaster area. Not long after, it rained heavily, and rescue became more difficult. When people were helpless and desperate, Tang Xinsheng's rescue team arrived, and they quickly launched a rescue