Jacques-Yves Cousteau became a worldwide legend as a deep-sea explorer. His sensational discoveries of the marine world and his recognition of the need to protect nature has changed our lives. Cousteau (Lambert Wilson) lives by the Mediterranean Sea with his wife Simone (Audrey Tautou) and two children. Driven by his curiosity and thirst for adventure, he begins to discover the still untouched depths of the oceans. Thanks to his inventions, he finds a new approach to this fascinating underwater world. Driven by his passion he is willing to sacrifice everything for it. An epic and sensual adventure with French stars Lambert Wilson, Audrey Tautou and Pierre Niney.