The play begins with the warm and peaceful neighborhood story of the Cao and Qi families in Qingwu Town, a northern factory and mining town in the early 1990s. It uses the life trajectories of Qi Shi and Cao Xin as the context to describe the ups and downs of the two families' lives over the past 30 years, presenting a family variation of kinship, friendship, and love that grows together.

Growing up together, Lin Ran is not only Gu Jia's best friend but whom taken as a backup boyfriend unconsciously, until one day Lin Ran announces his engagement with the naive and rich Meng Yi-Xuan, and Gu Jia determines to win him back.