Captain Nemo has built a fantastic submarine for his mission of revenge. He has traveled over 20,000 leagues in search of Charles Denver - a man who caused the death of Princess Daaker. Seeing what he had done, Denver took the daughter to his yacht and sailed away.

New England, 1886: a creature of unknown origin is destroying ships at sea. It is the job of Professor Pierre Aronnax, a marine expert, and Ned Land, the iron willed sailor, to learn the truth about the monster roaming the seas. In their search, they come across the sophisticated submarine Nautilus, secretly cruising under the ocean, and its charismatic captain Nemo.