After years of long-distance love, the old residents of Love Apartment have achieved success. Some of them have established romantic relationships, and some have decided to get married. Everyone's love has entered a new stage, and new surprises and new troubles have followed one after another. Some people have bumps and bruises during dating, and some people have a lot of troubles in the process of preparing for marriage. Love Apartment seems to be a magical place, where every couple who truly loves each other can get blessings and move towards a better future. As the romantic reputation of the apartment spreads farther and farther, new residents also come here. The new residents bring many new ideas and new ways of playing, which makes the old residents who used to be the trendsetters of the times sigh. Compared with the youthful vitality of the new residents, the old residents have become more mature and stable in their attitude towards love and life after years of experience. New and old residents try to understand each other, help each other, and hug each other even if they have bumps and bruises. The iron apartment, the changing love, new romantic stories are constantly staged here.