The play tells the legendary story of Qian Xuesen, the father of Chinese missiles. In 1949, 38-year-old Qian Xuesen was living a decent upper-class life in the United States. After the founding of New China, he made up his mind to return to the embrace of the motherland. However, the United States did not want this outstanding scientist to leave. They tortured Qian Xuesen with all kinds of despicable means, trying to make him give up and return to China. However, Qian Xuesen yearns for the motherland all the time. The motherland exchanged 11 prisoners of war and published Qian Xuesen's distress letter on the world media. In the end, Qian Xuesen finally ended his five-year house arrest and set foot on the ship back to the motherland with his wife and children. In 1955, Qian Xuesen returned to the motherland and was warmly welcomed by all walks of life. On behalf of the country, Chairman Mao and Premier Zhou entrusted the task of manufacturing missiles to Qian Xuesen, and gathered the strength of the whole of China to give strong support. Qian Xuesen overcame many difficulties, combined with the actual situation in the country, made full use of the only resources, and finally successfully developed and launched China's first missile five years after returning to China...