Sunny couldn't help but stare at her. The new student, Choi Sooyoung, was a mystery to everyone. Looking into those lifeless eyes. Sooyoung herself has a dark past and has no recollections of her memories. Being a foster child, she doesn't remember her real parents. All she remembers is a little girl, Lee Soonkyu, her best friend. Sunny and her family is close to the prestigious family, the Choi's, who is still in grief because of their lost daughter. Will their paths meet?