His acclaimed documentary '' Repatriation '' ( 2004 ) documents the lives of North Korean spies who were captured in the South Korea and takes a look at their journey back to their homeland after being detained in the South 's prisons for over 30 years . A labour of love that took him more than a decade to finish , it has been hailed as the most successful documentary ever in South Korea . It was presented with the Freedom of Expression Award at the 2004 Sundance Film Festival , the first time a Korean film has ever been presented with an award at the prestigious U.S. festival . It also won Special Mention at the 24th Korean Association of Film Critics Awards and Special Jury Prize at the 5th Busan Film Critics Awards in 2004 , as well as Best Documentary Award at the 19th Fribourg International Film Festival in 2005
Fribourg International Film Festival
Fribourg International Film Festival
Kim Dong-won (filmmaker, born 1955)