Seven-year-old Cheng Nuan ran away from home on a rainy night when her father remarried. She was discovered and taken in by her neighbor Xu Chen, who was 12 years old. The two spent the night together in the attic. Xu Chen used a starry sky projector to comfort the crying girl and plant the seeds of emotion. Cheng Nuan and Xu Chen's emotional encounter from childhood ambiguity to their reunion in the workplace as adults...
