One day a boy named Pete finds a map of "Treasure Island" that his deceased father left behind. He starts on a voyage to find it together with "Captain," who was a friend of his father. But his ship is attacked by pirates, led by Bowarl, and the two are caught. When a storm hits the pirate ship, the two are thrown into the sea and washed up on the shore of a solitary island in the southern ocean. To their surprise, this island is the one they have been looking for...

The manga that made Tezuka famous. It is an action-adventure drama inspired by Robert Louis Stevenson's book.