Annie frantically flees Montreal for the US with her young son, Felix and teenage daughter, Sarah, fearing the repercussions after Sarah severely injures her school bully. When their car breaks down just outside a small town in the Adirondacks, the family is stranded. Paul, a single father and the town's lone mechanic, isn't able to fix the car until the following week. Annie's stubborn insistence to leave town at all costs comes head-to-head with Paul's unwillingness to give in. When Sarah realizes that her secret is out in the open, she runs away, forcing Annie and Paul to join forces to find her. When Paul's traumatic past is revealed, Annie realizes that she is not the only one running and comes to terms with facing the music.

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.