Pinou is a happy boy who lives on an island where everything seems to be in perfect harmony. However, after finally finding the courage to face his fears, everything begins to change in surprising ways.While Pinou discovers the power of knowledge, the warmth of friendship and the magic of diversity, he finds himself in the middle of a fantastic adventure starting on an island and reaching far down into the depth of the ocean.How far can Pinou go to uncover the mystery of the ocean?