City kid Corbett (Griffy) Griffith III is back at Whispering Pines Lodge for the summer, ready to leave his family troubles behind. When he and Pike help clean up after a massive storm, they uncover ancient artifacts hidden by the waters of Lost Land Lake. As they research the artifacts, they find themselves in a battle against a cunning, desperate archaeologist. The rewards of this prehistoric discovery belong to a new friend, and Griffy is determined to help save his business no matter what. The boys won't abandon a friend. No way. It's do or die now. Can they protect their find?