The World's Fair, Paris, 1889: a young inventor crosses paths with an enigmatic girl and her pet lion. Suddenly they find themselves pursued by a villainous trio intent upon stealing the magical Blue Water. Thus begins an epic adventure inspired by Jules Verne's masterpiece 20,000 Leagues Under the Sea. Join Nadia and Jean as they travel the high seas in search of Nadia's homeland and her past, their only clue the mysterious jewel Nadia wears. Can they unravel the Secret of the Blue Water before it is too late?