In the unreal world of Sacred Heart Hospital, John "J.D." Dorian learns the ways of medicine, friendship and life.

An origins story, beginning in 1947, which follows Ratched's journey and evolution from nurse to full-fledged monster tracking her murderous progression through the mental health care system.

A dedicated forensic psychiatrist, Emma Robertson, is assigned to assess the sanity of Connie Mortensen, a “yummy mummy” accused of a despicable crime.