The detailed plot introduction of Leftover Men and Women: The brother and sister, Yu Dahuai, a company manager, and Yu Jingjing, a white-collar beauty, simultaneously inform each other of their decision to get married... Brother Yu Dahua remarries with Lin Meng, a single mother living with her parents, and moves into the Lin family, a "female-dominant household". His mother-in-law is strong-willed and authoritarian, and she is annoyed that Dahua has disrupted their orderly life. Her own marital frustrations, coupled with her eldest daughter's failed first marriage, have deepened her prejudice against men, leading her to be inhumane and harsh towards Dahua at night. Dahua's ex-wife, Bao Lingling, comes to him for help after being deceived by someone, which leads to misunderstandings and makes Dahua seem like a second Chen Shimin (a notorious womanizer in Chinese history) at home. Lin Meng's ex-husband also comes to visit their child, repentant and proposing a reunion, adding fuel to the already chaotic family affairs...