Tom lives with his Aunt Polly, a respectable home in the Mississippi River, town of StPetersburg, Missouri. He has a good friend, Huckleberry "Huck" Finn, a parentless boy who lives a life of a drifter. When Tom and his childhood sweetheart, Becky Thatcher, had a younglover's misunderstanding, and thinking Becky no longer cares for him, Tom joins Huck go-drifting and played pirates.
By coincidence, on the night that Tom and Huck were in thegraveyard, Injun Joe murders the town doctor and frames Muff Potter, the drunkard, by placing the knife in his hands. The boys hid on a river island afraid of Injun Joe. The townspeoplebelieve the boys to be dead.
On the day of their own funeral service complete with eulogies for them, they went back to town and witness it. They are eventually discovered to be inthe funeral audience.
At the trial of Muff Potter, Tom becomes a hero when he stands up and points out the true murderer. Injun Joe, guilty, rushes out of the room. Another scene isa school picnic in which Tom and Becky participate. The two wander away and get lost for several days right in the very cave where Injun Joe is hiding. Somehow, they were able toescape. Tom returns to the same cave with Huck. They find Injun Joe dead, and also find his buried treasure. The two boys return to town ever heroic and divide the treasure between them.