In 1980, Kim So-ryung suffers a heart attack right before her wedding to her fiancé, Jung Ha-rok. She is brought to her father's hospital to be treated, but her father, Dr. Kim, is unable to save her. He decides to freeze her body as he looks for other ways.
25 years later, she wakes from her frozen state but has no memories of her fiancé, and is given a new identity. After the death of her father from a car crash, she starts living with her ex-fiancé and soon falls in love with his son, Jung Min-jae.
