The story begins with a heavy snowfall. It snowed very heavily in Beijing that year. The gloomy weather lasted for three days and three nights. Luo Hui clearly remembered that it was a Friday. Luo Hui sneaked out of the classroom before the boring political theory class was over.
He walked alone, looking back from time to time to see if there were any classmates he knew so that he could go back with him, but after all, the class hadn't ended yet. In such an academically rigorous university, who would skip class and go back to the dormitory like Luo Hui. The few people in the crowd seemed to have come out of the library, and there were no faces familiar to Luo Hui. He continued walking until he turned around again and met Gaoman...