Jean, a consumer, is looking for his wife in La Défense, France's largest business and commercial district. He meets Matthieu, a business man, who offers to help him on his lunch break. While wandering in this open-air labyrinth, Matthieu shares some thoughts on his work with Jean, who gradually forgets the reason why he came here.
In a small town plunged into darkness, two children, Kyona and Adriel, are separated from their parents and, facing the path of exile alone, embark on a heroic journey that will take them from childhood to adolescence, in search of refuge, peace and the hope of finding their family.