Chapter 1: Introduction to Jim Hawkins and the Admiral Benbow Inn - Jim Hawkins, a young boy, lives with his parents at the Admiral Benbow Inn. - The inn is visited by a mysterious old sailor named Billy Bones, who brings excitement and danger to Jim’s life. - Jim learns about the existence of a hidden treasure and the map leading to it.

Chapter 2: The Black Spot and the Captain’s Death - Billy Bones receives a black spot, a sign of impending doom, from a group of pirates. - Jim witnesses the death of Billy Bones and finds a treasure map hidden in his belongings. - Jim and his mother decide to seek help from the local doctor, Dr. Livesey, and the squire, Mr. Trelawney.

Chapter 3: The Voyage Begins - Jim, Dr. Livesey, and Mr. Trelawney plan a voyage to find the hidden treasure. - They hire a crew, including the one-legged Long John Silver, who becomes the ship’s cook. - The crew sets sail on the Hispaniola, a ship bound for Treasure Island.

Chapter 4: The Mutiny - Jim overhears Long John Silver and some of the crew plotting a mutiny. - Jim informs Dr. Livesey and Mr. Trelawney about the mutiny plan. - The loyal members of the crew, including Jim, Dr. Livesey, and Mr. Trelawney, prepare to defend themselves.

Chapter 5: The Island and the Pirates - The crew arrives at Treasure Island and begins searching for the hidden treasure. - Jim explores the island and encounters Ben Gunn, a former member of Flint’s crew. - Jim learns about the treacherous nature of the pirates and their leader, Long John Silver. - Jim and his companions face numerous challenges and dangers as they try to outsmart the pirates and find the treasure.