As soon as Ren Weiwei returned from studying abroad, she formed a relationship with Shen Junxiang, who suffered from gynophobia. Unexpectedly, the two were not only school colleagues, but the rental house Weiwei moved into turned out to be Shen Junxiang's home.The cohabitation life started lively.In school, Weiwei solved various problems related to students one by one; in the Shen family, she formed a close circle of friends with Su Rong, the eldest sister-in-law of the Shen family, and Shen Na, the second sister of the Shen family.The three of them planned together to deal with the various difficulties Su Rong and Shen Na encountered in their marriage.In the process, Weiwei and Junxiang gradually solved their previous misunderstandings and developed a good impression of each other. Unexpectedly, the new music teacher was Song Junhao, a high school senior who had a crush on Weiwei.The elder's sister Lin Jiajia adds many variables to their relationship.

However, after experiencing various misunderstandings and tests, Weiwei and Junxiang finally got married, and Shen Na and Su Rong also solved their marriage problems and found their own happiness.