Description: The Marshalls attempt to escape the Land of the Lost by river and wind up trapped in a cave with a daffy Confederate miner. Rick's latest idea to get home is for them to build a raft. He figures the swamp must empty out into a river which will take them to an ocean and civilization. The first half of the thought is indeed correct as they are able to find a river. However, they approach a waterfall, which they just manage to avoid, but which their raft does not survive. Through a hole in the cliff wall, they are brought into a series of tunnels. In the previous experiences, a series of tunnels generally means the presence of Sleestak. What, or more precisely who they find in the tunnels however is Jefferson Davis Collie III, an old Confederate soldier. After both sides getting over the shock of seeing the other, the Marshall family enters into a barter of sorts with their new acquaintance: work by the Marshalls for food. What he wants is for them to mine for crystals, the ones in this tunnel which are the same as they have seen elsewhere, but larger. The Marshalls' main goal still is to find where the river...