This film is about the Solovetsky Special Purpose Camp (SLON), one of the many Gulag zones scattered around the country. Used documents and film materials of the 1920-30s. The film features former prisoners of Soviet camps: Dmitry Likhachev, Efim Lagutin, Oleg Volkov, Zoya Marchenko, Olga Adamova-Sliozberg, Anatoly Gorelov and others.