What is the plot of Treasure Island?

Robert Louis Stevenson's Treasure
Island includes pirates, buried treasure, a (nearly) deserted island, murder,
revenge and mystery--all of the elements needed for a classic tale of adventure. When
Billy Bones, an old pirate, arrives at the Admiral Benbow Inn, he befriends the son of
the owner, Jim Hawkins. Bones eventually dies, and young Jim discovers a treasure map
among his belongings. He sets off to find the buried gold along with Squire
Trelawney--who finances the trip--and Dr. Livesey. The crew they hire to pilot their
ship turn out to be cutthroats, however, led by the one-legged Long John Silver. The
pirates desert the ship and attempt to find the buried treasure on their own, but Jim
manages to outwit them, and he returns with the squire and the doctor to England as
wealthy men.