Maise and the dolphin

Maise and her parents live in the Bahamas. Her parents are vets. They have got a hospital.

One day Maise is diving and finds a piece of wood with the letters M.N.A. She travels on a boat with her grandfather and they watch an american boat hit a dolphin . Maisie and her grandfather take the dolphin to the hospital. Carl Flint, the American, wants to buy Maisie´s house. He makes a proposal to her father. Her father is going to think about it. Maise is very sad. Maisie and her grandfaher take the dolphin back to the sea. They find a treasure underwater. So, her father does not accept Carl Flint's proposal.