Describe the narrow escape of the men aboard the nautilus

In 20,000 Leagues under the Sea, the men make the important decision to escape the Nautilus. This decision results in the climax of the story. The building action finally results in a drastic decision that causes major changes, which eventually lead to falling action and resolution. 

In 2081, everyone is equal not only in the eyes of the law but in every way; nobody is smarter, more athletic, better looking, etc. than anyone else. hazel is of average intelligence, which means she can't think about anything except in short bursts, and george has an intelligence way above normal.