Sun Dalei (played by Li Guangjie) and his ex-wife Su Yun (played by Zhao Ziqi) lived a bachelor life after their divorce. ) has a stable relationship, but all this changes because of the arrival of the two children. It turned out that Sun Dalei's son and daughter lived with Su Yun after they divorced, but Su Yun's job changed and she needed to go to Hong Kong for a year, so she decided to hand over the children to Sun Dalei to take care of. Sun Dalei, who originally wanted to escape, changed his mind because of the appearance of Su Yun's boyfriend Huang Xinhua (played by Gao Yalin). Out of a desire to win, he started a war with Huang Xinhua to win the son. During this process, Sun Dalei met Huang Xinhua's daughter Huang Xiaoying (played by Tong Liya), and the two fell in love from the initial misunderstanding to the later understanding. Beijing girl Li Yinan (played by Zhu Rui) originally enjoyed the world of two with her husband Gao Xiaoxing, but an unexpected pregnancy disrupted the pace of life. After Li Yinan gave birth to a child, Gao Xiaoxing was forced to become a housewife and gradually lost himself in the trivial life