32-Year-old Shen Yi has been living alone in a dark rental house for ten years due to family changes, building high walls with indifference. 24-Year-old Xia Zhixing pretended to be optimistic and opened a warm picture book library in her old neighborhood, secretly longing for a tenderness that would not be abandoned. By an accident, the two became neighbors - there was no entanglement, no suspicion or misunderstanding. She brought freshly baked biscuits, a little succulent by the window, and a light in the middle of the night, clumsily but firmly approaching...