Essica endured a difficult marriage living with her husband's family, believing only in love. However, her husband commits adultery with her friend, and while suffering a major accident, she recalls her past life's memories. She realizes she was the villainess Cheon Yeong-ryeong, and this place was a world inside a novel. Remembering the ill-fated ties between her past life and the people who tormented her, Essica ultimately resolves to take revenge on the ducal family.