The ruler of the Pacific Island (Omar Sharif) is still invisible to the stranded people. Whoever encounters him, can not remember him thanks to the "Potion of Oblivion". Only "Top", the engineer's dog, knows him. He becomes the mediator between Captain Nemo and the stranded balloon crew. The dog "Top" finds the remains of the balloon envelope and now they have sails for a ship. Suddenly Harbert finds a bottle post in the sea.