An introduction to the lost years.

Time flies is adapted from Greene's novel of the same name. The film version is jointly produced by Heiner Shi Sheng Film (Beijing) Co., Ltd., Century Film (Tianjin) Co., Ltd. and Zhonglian Transmission Film and Television Culture Co., Ltd., and the famous filmmaker Nick Cheung is the producer. The script is written by Wang Yun and Rao Jun. It tells all kinds of warm and tearful stories that happened during the study in the United States.