The one who provided the answer was naturally Liliana. Liliana deliberately raised her voice and told the story of how Serenity went to jail for drunk driving and killing someone...
Serenity shrugged. Liliana must be trying to humiliate Serenity because Serenity used to be better than Liliana in everything back when Serenity was a lawyer.
As expected, you can only see the true nature of people around you when you're down on your luck.
When Serenity reached the elevator, she heard a sudden ru