After a failed armed attack during which she abandons her companions, Hélène flees into the forest and meets Catherine, a mysterious alter ego, a carnivorous and tempting alter ego. This double will take her to a fantastic valley, where metamorphoses, poisonous powers and great upheavals will soon shake up the order of things. Hélène will have to revisit her choices and the moral, political and human dilemmas that circumscribe them.