Geum-Hee has been married to Joon-Ho for the past 10 years. She supported him while he was attempting to become a plastic surgeon. He is now a successful plastic surgeon. They are still happily married, but Joon-Ho happens to meet divorcee Sang-Mi. Sang-Mi wants Joon-Ho regardless if he is already married.
Meanwhile, Sang-Won is a chef and the younger brother of Sang-Mi. Due to his painful memory of being dumped by the woman he loved, his personality seems to have become cold. He actually still has a warm heart.