A plane full of children and young teens on the way to a swim meet, crashes into the ocean, leaving them and the crew stranded on an unknown island.

A man and a woman and 3 children start to sail around the world. They are shipwrecked near an uninhabited isle. This island is full of wild animals and it is very dangerous for them in the begining. They live through a lot of wonderful adventure together and they become a big family.