The film is based on the novel by Robert L. Stevenson. Jim, a dashing young man dreaming of romantic, thrilling adventures, happens to come across an old sea chart. It shows the way to a treasure hidden by a legendary pirate, Captain Flint. The treasure is buried on an island lost in the ocean. Jim and his friends venture on a dangerous seabound journey on a beautiful tall ship. But it turns out that they are traveling on the same ship with the pirates, former members of Captain Flint's team.