Documentary about the testimony of survivors of the hard-labor camp in the Gobi Desert in Gansu, China. Shot from 2005 to 2017, the film covers most of China's provinces with visits to more than 120 survivors of the Jiabiangou and Mingshui re-education camps set up by China's Communist regime in the late 1950s. It made its world premiere at the 2018 Cannes Film Festival.