Tom lost his mother at a young age and was adopted by his aunt. Smart and naughty Tom can not stand the aunt and the school teacher's discipline, often skipping school to get into trouble. Late one night, he and his best friend Huckleberry Finn to the cemetery to play, inadvertently witnessed a murder occurred. For fear of being found by the murderer they know about it, Tom, Huckleberry with another small friend fled to a deserted island to do up a "pirate", so that the family thought they were drowned, but the result was that they appeared in their own "funeral". After a fierce struggle, Tom finally bravely came forward to testify against the murderer. Soon after, in a picnic, he and his beloved girl Becky in a cavern lost, three days and nights of hunger and cold, facing the threat of death. Later, he finally managed to get out of danger and found the buried treasure of the murderer with his best friend Huck.