William and brothers James depart on an excursion to discover a lost city on a long-forgotten island, but only James is ever seen again. Found washed ashore, James asserts that the brothers never reached the island, and recounts the story of how his brother was tragically lost at sea. Twenty years have now passed, and William's daughter Lisa receives information that indicates her uncle has not been telling the truth. Join Lisa on a heroic experience and journey to a location where anything can happen! Search a multimillionaire's manor, board an airship and investigate enigmatic locations as you help Lisa locate her daddy and uncover the truth!