During the year 1889, technology was rapidly advancing. In this time of progress, an ominous opponent named Gargoyle arose with a relentless obsession to restore the fabled Atlantean kingdom and control the planet. Nadia, alongside highly intelligent inventor Jean Raltique and the mysterious Captain Nemo, who steers the Nautilus vessel, sets out on a mission to obstruct Gargoyle's agenda and stop the emergence of Neo-Atlantis. This captivating plot is influenced by a literary work of Jules Verne titled '20,000 Leagues Under the Sea'.