Grace Fraser is a fictional character from the television series The Undoing, which is based on the novel You Should Have Known by Jean Hanff Korelitz. She is portrayed by actress Nicole Kidman and is depicted as a successful therapist living in New York City. Grace's life takes a dramatic turn when her husband is implicated in a murder case, leading her to confront the complexities of her marriage and her own identity. Throughout the series, Grace navigates the challenges of her personal and professional life while dealing with the fallout from the shocking events surrounding her family. The story explores themes of trust, betrayal, and the search for truth, making Grace a compelling character in a tense psychological drama.