A dive in the heart of the ocean to discover, understand, love a world still mysterious and surprising. A world where nature invents wonderful colors, shapes and sounds. The ocean is unique, only men put it in the plural. It is everywhere, covers more than 70% of the Earth and gives our house its color and its name: the blue planet. In this sumptuous and fragile environment, the dolphins will be our guides to share this great history of the ocean which is that of our origins and our future. A universal story that resonates in each of us.