Mariana (42) is part of that Chilean upper class that takes privilege for granted. Despised by both her father and her husband, she feels a strange attraction towards her riding teacher, Juan (60), a former colonel suspected of human rights abuses during the dictatorship. But their affair cracks through the invisible walls that protect her family from the past.Mariana (42) is part of that Chilean upper class that takes privilege for granted. Despised by both her father and her husband, she feels a strange attraction towards her riding teacher, Juan (60), a former colonel suspected of human rights abuses during the dictatorship. But their affair cracks through the invisible walls that protect her family from the past.