Ben and Laura sail around the world. Near the Antarctic coast, they decide to venture away from their boat to explore an island. However, once they arrive, their boat disappears in a storm. Suddenly isolated, they face extreme situations. Thomas Bidegain, a renowned screenwriter known for his collaboration with Jacques Audiard on A Prophet and Rust and Bone, for which he received César Awards, directs a sensational adaptation of the novel by French sailor Isabelle Autissier.