In the cosmopolitan city of Shanghai, a grand wedding is about to be held in a rather ordinary apartment. As the saying goes, man disposes, but heaven disposes. Although it has been carefully prepared before, the intrusion of several lovers with love-hate entanglements and various unexpected situations have made the wedding develop in an unforeseen direction. After that, the apartment was officially renamed "Love Apartment", and it was natural to welcome 7 young men and women from all corners of the country, engaged in different professions and with different personalities, including Lin Wanyu (played by Zhao Ji), Chen Meijia (played by Li Jinming), Lu Zhanbo (played by Jin Shijia), Lv Ziqiao (played by Sun Yizhou), Guan Gu Shenqi (played by Wang Chuanjun), Hu Yifei (played by Lou Yixiao) and Zeng Xiaoxian (played by Chen He). In the following days, these new humans quarreled and played tricks in love, and spent a noisy and unforgettable day. The buds of love are also growing vigorously in their hearts...