On her 29th birthday, Grace Morton was diagnosed with a terminal illness and doctors said she wouldn't live for more than a year. On the same day, Daniel Prescott, who doted on her, suffered a car accident and lost his memory. He forgot Grace, only remembered Isabella Sutton who had fallen deeply in love with him. In order to divorce Grace, Daniel went to great lengths, hurting his former love time and time again. Grace, who ultimately gave up, chose to leave. After she disappeared, Daniel deeply regretted it, but it was too late.