Huck and Jim find a cave and hide during a flood, discovering various items in a floating house.
Jim and Huck find a large cavern on the island's ridge and move their supplies inside. A great storm hits, flooding the island; they watch from the cave as the river rises and debris floats by. A whole house floats past—they paddle out and loot it, finding money and supplies but Jim keeps Huck away from a dead man inside.