Originally as a behind the scene documentary of Ye Jing’s film Songs of the Youth 1969. Director Ye Jing isolates 13 young people in a disused firearms factory, then dresses them in Cultural Revolution-era clothing and has them listen to Cultural Revolution-era music day in and day out as a kind of anthropological experiment.

It is the year of 2010, Xue Beijing, a 50-year-old director, is preparing to make a film about his youth and remarkable ages in late 60's.

Four friends come up with an unusual idea to make some money and have fun doing it. For a small fee, they will impersonate and act out any character role for their customers. In the course of executing this novel service, they encounter a whole spectrum of people in society, finding ways to genuinely help them boost their morale and overcome their fears, while gaining unusual and new insights into the human condition.