Fang You Cheng and Li Qing Yi are a young couple in their 30s who longed to buy a house, get married, and have children. They met Lin Li Chun, an arrogant lady in her 60s who had never been married. Due to an accident, the three became landlords and tenants.
At first, they lived a chaotic and incompatible cohabitation life. However, after living together, they gradually got to know each other, participated in each other’s life circles, and became inseparable roommates with a relationship that is better than that of family members.