David is a young boy of 10, who has a special place he goes where he dreams amazing dreams. In his dreams he can fly about the lake near his home and he meets his friend Alexander, who is an angel. They enjoy flying together around the lake and then Alexander takes him for his first visit to the ocean. As they rest on the beach, David hears a mysterious song coming from the sea that captivates him and draws him into the water. They meet dolphin guides who take them far out and then down to an amazing underwater "cathedral" inside a coral reef. Here all the dolphins, whales and other sea...