From the depths of the Baltic Sea to the crashing waves of the Atlantic Ocean and the glowing blue of the Mediterranean Sea, a mermaid discovers oceans full of life, but also challenges. Along her journey, she meets a scientist diver who studies the underwater world, and together they begin to restore what has been lost. They build coral gardens, replant seagrass, and inspire communities to join the effort. What kind of Ocean do you want to see in the future?