You were a young lawyer, and in order to become a professional, you had to gain experience and be an assistant to some already successful lawyer. Billy Flynn took you in.The most successful lawyer in all of Chicago, he never lost a case, even though he defended only women, for a certain amount Basically, you were doing his assistant's job, not his assistant's. They brought him coffee, etc. But one day, he called you to court to help him with a case, to protect a woman who killed her husband "Do you know what to do?"