He's a low level criminal with no future and just out of prison. She's a low level lawyer never noticed by others, a lost soul without a life. Their anger and hostility makes them serious criminals. Love happens in the strangest of places.
"At the end of the day, you are solely responsible for your success and your failure. And the sooner you realize that, you accept that, and integrate that into your work ethic, you will start being successful. As long as you blame others for the reason you aren't where you want to be, you will always be a failure."