In Shanghai, a grand wedding is about to be held in a rather ordinary apartment. Although careful preparations had been made, various unexpected situations made the wedding develop in an unpredictable direction. After that, the apartment was officially renamed "Love Apartment", and it was natural that seven young men and women from all over the world, engaged in different professions and with different personalities, were welcomed. Lin Wanyu, Chen Meijia, Lu Zhanbo, Lu Ziqiao, Guan Guqiji, Hu Yifei and Zeng Xiaoxian. In the days that followed, these new people fell in love, quarreled, made jokes, and spent noisy and unforgettable days. The bud of love also grows in their hearts.