This film is based on the famous French science fiction writer Jules Verne's famous book "20,000 Leagues Under the Sea". In 1868, the shipping industry rumored that sea monsters were present in various oceans and frequently attacked passing ships. Governments of various countries were forced to send warships to maintain the safety of navigation channels and investigate the authenticity of the sea monsters. Unexpectedly, the survey ship was hit and sunk by an unknown monster. Only Professor Aronnax, assistant Conseil and harpooner Ned Land were rescued by the USS Nautilus submarine. The submarine was commanded by Captain Nemo and sank ships carrying ammunition. Respect Nemo Aronas's achievements and regard him as a guest of honor. The submarine will return to the Wakania base to replenish the ship's supplies and go to the deep sea to explore the underwater world halfway. The professor was amazed by the fact that his technological power came from undersea farming, but Ned Land wanted to escape...