A peasant comes to St. Petersburg to find work. He unwittingly helps in the arrest of an old village friend who is no…

　　1918年，在俄国革命影响下的蒙古。蒙古牧民贝尔带着珍贵的貂皮前往被英国干涉军队和白俄占据的要塞市场出售。商人强行低价收购他的貂皮。他不堪屈辱，愤而与商人发生冲…