The Princes of Tennis are going to an isolated island to train for the National Championships, but on their way, their ship runs into a storm and have been capsized. Together with the princes, the captain's daughter and her friend ride the lifeboats to the island.

Choose between the two girls, the captain's daughter is a gentle, quiet girl while her friend is a lively tomboy. Each have their different ways of attracting their princes. Besides dating, get the boys to work. The island has very few supplies, so its up to the princes to learn to use the tools to keep themselves alive.