An old sailor with a scarred face appears at Tim's mother's inn. The sailor hides a great secret. He has a map marked with red crosses, showing where an immense treasure is buried on some distant island!

Thus, Tim embarks on an incredible adventure, filled with sea travels, battles at fortresses with mutineers, and unimaginable treasures, in a breathtaking story.

[Excerpt from the text on the back cover of the edition]