Lei Dali (Huang Bo) is forced to get involved in the fierce competition for the promotion of his son, Lei Mi (Shan Yuhao), to primary school to give him a better start in life. His mother, Liu Zhenzhen (Yan Ni), has been trying her best but it’s just far too difficult to achieve as a single parent. Dali decides to spend all of his money to buy a house in the school district and the new living arrangements soon see tensions mounting. However, he quickly begins to realize that the essence of “fighting children” is “fighting parents”.