In the international metropolis of Shanghai, a seemingly ordinary apartment is about to host a grand wedding. However, as the saying goes, man proposes, God disposes. Despite meticulous preparations, the intrusion of several ill-fated couples and various unexpected situations cause the wedding to take an unpredictable turn. Following this, the apartment is officially renamed "Love Apartment," and naturally welcomes seven young men and women from all over the country, with different professions and distinct personalities: Lin Wanyu (Zhao Ji), Chen Meijia (Li Jinming), Lu Zhanbo (Jin Shijia), Lü Ziqiao (Sun Yizhou), Guan Gu Shenqi (Wang Chuanjun), Hu Yifei (Lou Yixiao), and Zeng Xiaoxian (Chen He).

In the days that follow, these young people experience love, arguments, and playful banter, spending many noisy and unforgettable days together. The seeds of love also begin to sprout and grow in their hearts…