Join us on a breathtaking journey below the surface along the Swedish west coast. Here you get to know the inhabitants of the North Sea during the changing seasons. You will witness behaviors that have never been filmed before and you will be amazed at the wealth of life forms, colors and patterns that our West Sea displays. But you will also get to experience the challenges that the ocean faces, which we humans have created ourselves. What happens below the surface is often unknown. But here it is revealed - the secrets of the western sea.