FANG You-cheng and LI Ching-yi, a young couple in their thirties longing to buy a house, get married, and build a family, cross paths with LIN Li-chun, a lifelong bachelorette in her sixties who appears icy and distant. Unexpectedly, they become landlady and tenants. The initial struggles of living together give way to a gradual understanding and integration into each other’s lives, fostering a close bond that surpasses familial ties.