 The film is about four generations of Tsinghua University graduates, spanning a hundred years of modern Chinese history since World War I, from the 1920s, the 1940s, the 1960s till nowadays, no matter how time changes, there are always people who insist on their dreams.The film entered production in early 2012, with principal photography concluding in the same year.Filming locations include Beijing, Yunnan, Gansu and Guangdong.