The home of Khan, king of the Lumpies, has been ransacked! A treacherous band of thieves, the Rat-faced Snitchers of Zoop, has stolen a mysterious treasure that the Lumpies had vowed to protect. Now Eric, Neal, Julie, and Keeah must pursue the Snitchers back to their hideaway on the edge of the Dark Lands. <br /><br />But they are not alone. For Ko, the kids' most fearsome enemy, is after the treasure, too. Can Eric and his friends find it before the king of beasts?