Bejing or Bust

http://www.imdb.com/title/tt0791066/

Beijing or Bust is a documentary that follows six American-born Chinese as they leave their lives in the United States for new ones in Beijing. The film, which is documentary maker Hao Wu’s first, was released in 2005. In 2006, while producing a different documentary Wu was detained by PRC officials for nearly 5 months.