Tom Sawyer is a naughty boy, but he has a good heart and loves adventure. In one of his adventures, he witnesses a murder, and discovers a large treasure that the killer was hiding. After Tom testifies about the murderer before the court, the murderer flees, and then this exciting adventure turns into successive dangers that almost cost the lives of Tom and his two friends, Huck and Becky. Will they survive the killer who is chasing them? Will they finally find the treasure?