When young Jim Hawkins finds a mysterious map in a dead sailor's sea trunk, it marks the start of a thrilling treasure hunt and a very dangerous adventure. Accompanied by the local doctor and squire, he sets off on the high seas as a cabin-boy, determined to find the buried hoard. But they are not alone in their quest, a band of pirates -- led by the enigmatic, one-legged Long John Silver -- will stop at nothing to take back what they believe is theirs....

While going through the possessions of a deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads them to a pirate's fortune.