Who is Abbey DiMateo? What is it that prompts her decision to become a doctor? Who is her boyfriend? What is her job at the hospital?

What is it that makes Abbey become involved in the case of the transplant of a heart for Josh O'Day? What role does her emotions play in that? What does Abbey think when she's taken to see Nina Voss on the day after Josh's transplant? What does Abbey admit about making the choice before she knew Nina? Do you believe her actions would have changed if she had met Nina prior to the transplant?

Who is "The General?" Who is Vivian Chao? How do the two become involved in Abbey's theory about the transplant system? When do each of the two come to believe that there is a problem?

Who is Yakov? What was his life like prior...