The Riddle of Arrival
Directed by Song Wen Written by Tao Richeng, Song Wen, Li Zonglei, Duan Lian
The main character, Xiaolong, reunites with his old friends Fang Yuan and Sanpi. Fang Yuan shows the other two a calendar he got by chance, and the calendar girl is a girl they all know, Dong Dong. Winter disappeared several years ago and her whereabouts are unknown, and the brotherhood of Xiaolong and the others has disintegrated. Time flies, but Xiaolong still thinks that Dongdong's disappearance is a mystery.