CRYSTAL WATERS is a time-travel portal to ancient worlds! Emma, Grace, Robert and Tom, along with their purple dog Ceber, are on another adventure. This third voyage takes them back to ancient Antarctica. The reason; Robert is in danger! His sinister father, Sisyphus, from the ancient underwater city of Atlantis, is trying to kidnap him! Follow their magical journey in this epic tale that takes themes from the greatest legends of the world.