在缅因州某个宁静的小镇上，居民们均能守望相助地过活。可是，当这儿开设了一间古董店后，竟然令当地人生活起了变化，居民变得异常暴戾，为小故互相攻击。探长彭本苦无线索，头痛不已，开始怀疑古董店老板古伦的一举一动，最后发现一些耐人寻味的内幕。

Young Jim Hawkins, while running the Benbow Inn with his mother, meets Captain Billy Bones, who dies at the inn while it is besieged by buccaneers led by Blind Pew. Jim and his mother fight off the attackers and discover Billy Bones' treasure map for which the buccaneers had come. Jim agrees to sail on the Hispaniola with Squire Trelawney and Dr. Livesey to find the treasure on a mysterious island. Upon arriving at the island, ship's cook and scalawag Long John Silver leads a mutiny of crew members who want the treasure for themselves. Jim helps the Squire and Hispaniola officers to survive the mutiny and fight back against Silver's men, who have taken over the Hispaniola.

由哑人马特率领的土匪进入一个酒吧，杀死了多人。兰迪鲍尔斯来到镇上，被哑子马特陷害，他和警长一起工作，他不知道马特真的是个罪犯。哑巴马特把他想说的一切都写了出来。兰迪在酒吧老板的侄女莎莉罗杰斯的帮助下逃走了。