Hayden is an emotionally unstable young woman who engages in an affair with her teacher, Ben Harmon, and is caught with him by his wife, Vivien. She becomes pregnant by Ben but has mixed feelings about keeping the baby. She is manipulative and not respectful of Ben's attempts to repair his relationship with his wife. She displays obsessive and violent tendencies, especially toward Vivien, and will form unusual alliances to torture her.Background: Twenty-two year old student of Ben Harmon's who lives in Boston.