1.
When you're part of the underground crime world, YOU ARE PART OF THE UNDERGROUND CRIME WORLD.
2.
Crime is based in New York, regular life is based in New Jersey.
3.
The assassin world is based around a tasteful boutique hotel in Manhattan.
4.
The Continental's basically one giant ongoing assassin conference.
5.
Assassins have their own currency.
6.
The assassins take their code very seriously.
7.
There's an old guard and some brattier newcomers.