The young Arielle is one of seven daughters of the sea god Triton. Together you live in Atlantica, the kingdom of the seamen. And actually, everybody is doing pretty well there. There is a lot of laughter, music and playing. But Arielle wants more. Because she is completely fascinated by the people and their strange devices and things that they have lost in the sea.
Therefore, she is no danger big enough to collect the coveted treasures. One day, Arielle floats to the surface of the water and meets Prince Eric on a ship. Immediately she falls in love with him and wants nothing more than to dance with him on two legs together.