A daring battle between the Company ships Dreadnought and Nautilus leaves both stranded in the Arctic ice, leading to an uneasy truce. Nemo reunites with a friend from his past and is shaken by more revelations about his father.

When Nautilus finally arrives at the treasure, they realize that it has not been forgotten at all, on the contrary, it is guarded by wild warriors. Nemo feels that he has led his crew to the end of the world - for nothing.