Cinderella (2006)

Seeking the much-desired quality of ul-jjang (the Perfect Face), 17-year-old Hyunsu's friends are envious that she has a plastic surgeon for a mother. On their summer vacation together, she watches as her friends get plastic surgery and then one by one begin to die mysterious deaths. Hyunsu's mother holds the key to the dark secrets that have been tucked away up to now.