On the hunt for a terrifying sea monster, Professor Pierre Aronnax, his faithful servant Conseil and the harpooner Ned Land go overboard the Abraham Lincoln. They are rescued by an impressive submarine, the Nautilus, and are well received by Captain Nemo. But they are bound to him and his crew and cannot return to civilization. In less than ten months, they travel 20,000 miles under the sea on a round-the-world voyage and discover many wonders, such as a sunken city, and experience numerous adventures. But who is Captain Nemo? And will they be able to return to the surface?