In 1990, teenagers Zhang Xiao Man, Xia Lei, and Yan Xiao Dan became close friends. After becoming an adult, Xia Lei was admitted to a university in Shanghai, followed the trend of the times to start a business, and contacted Xiao Man, who joined the Tiexicheng Factory for business. Xiao Dan moved to Hangzhou with her family to study architectural design and later went to France to study. Xiao Man also went to work overseas.
By chance, they decided to return to their hometown and devote themselves to the construction of their hometown. The former trio meet again, and the young factory kids gradually grow into responsible builders.
