Description：On a hot day in July 2004, a video hall from the 1990s was facing demolition. A few childhood friends - Asheng, Junye, Qitong, and Laosan agreed to watch a movie here for the last time. All the teenagers who had dreamed of being young and dangerous, scientists, wealthy people, and soldiers came, except their classmate - the heroine of the story, Xia Tiantian, who was still on the way. While waiting for Xia Tiantian, the boy Asheng talked about the story of how he and Xia Tiantian met. The story went back to ten years ago from Asheng's narration. Childhood, red scarf, military training, radio station, dormitory inspections, playing cards, exams, cheating, running exercises, make-up classes, eye exercises, dozing off, college entrance examinations, academic tyrants, picking up girls, liberalism, stupid youth... the real and intimate high school life, collective memories with tears in laughter, those wounded fighting years, those fearless bright futures.