A 19th-century boy, floating down the Mississippi River on a raft with a runaway slave, becomes involved with a feuding family, two scoundrels pretending to be royalty, and Tom Sawyer's aunt, who mistakes him for Tom.
While going through the possessions of a deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads them to a pirate's fortune.
A simplified retelling of the classic story of the mischievous 19th-century boy in a Mississippi River town and his friends, Huck Finn and Becky Thatcher, as they run away from home, witness a murder, and find treasure in a cave.