When Xu Jing opened her eyes, the chirping of 18-year-old cicadas was still in her ears, but the world had passed seven years ago. She was 25 years old, with her strange husband Su Linchen lying next to her, and 3-year-old Xiaoxing standing by the bedside. She was making a milky voice and stretched out her hand: "Mom, tie your braids."
The old school uniforms hide their past, and these two living people are slowly sewing the seven years she has forgotten into the present.