While your out alone at sea on your boat, a friendly dolphin approaches your boat with a plastic can-ring around it's nose. After you remove the can-ring, the dolphin decides to spend some time with you, before swimming away, back under the waves.

The next day on your boat, you are greeted by a beautiful, fit, healthy young woman. She thanks you for helping her yesterday, she tells you that she morphed from her dolphin-form into her human-form. As a reward for helping her, she will now be your friend, confidant... and your wife...