TheadventurebeginswhenLucasa13yearoldboyembarksonthevacationofalifetime.Whendisasterstrikes|Lucasfindshimselfstrandedinastrangeland　　litteredwithghostshipsandprehistoriccreatures.Whilesearchingforothersignsoflife|Lucashearsaradiobroadcastinthedistanceandisdrawnintothe　　junglewhereheencountersabeautifulyounggirlwhoclaimstohavecomefromthe1950s.Togethertheysetoutonaquesttogethomeallthewhileuncoveringsecretsthatwillforeverchangethefuture.