Fiona Maye is a fictional character from the novel "The Children Act" by Ian McEwan. She is a high court judge in London, known for her intelligence and dedication to her work. Fiona often deals with complex legal cases, particularly those involving family law and ethical dilemmas. In the story, Fiona faces a challenging case involving a terminally ill teenager named Adam, who refuses a life-saving blood transfusion due to his religious beliefs. This case forces Fiona to confront her own personal struggles, including her strained marriage and the emotional toll of her profession.