Following a global cataclysm, Anne (Isabelle Huppert) and her family set out for a safe haven at their holiday home. But, when they arrive, the home is already occupied by other survivors. Their hopes for safety are immediately dashed by a violent tragedy, which serves as a lesson to take nothing for granted and expect the worst in this new, harsh landscape. Accompanied by a fierce young boy (Hakim Taleb), the family eventually reaches a train station with the prospect of escaping.