Materials, renewable energies, housing, medicine, cosmetics, food…. The ocean is a source of inspiration to innovate in many fields. This film offers an unprecedented « tour of the oceans » to discover the most surprising and promising research and to meet the scientists, engineers and other visionaries that have decided to draw from the bottom of the oceans the key to the most important crisis of our times (climatic, demographic, sanitary and ecological) and to tomorrow’s biggest issues.