Mo Tae Gu is the son of a rich man, CEO of Sungwoon Express. He is a handsome, respectable businessman. A good son and could be the perfect son-in-law. But all of is just a face. He has a dark and cold personality behind that smile. Tae Gu is happy when he is able to hurt someone. He is pleased with their screams and their tears. His smile and attitude makes him creepy despite his handsome face. As time goes by, his actions became normal to him. Day after day he gets broken and broken. 

Yoo Mi-Na came is a kindhearted woman who came from a medical family. She is a psychologist by profession. She found his brother whom her family has been looking for a long time working for Mo Tae-Gu. Mi-na met Tae Gu while he was in a vacation and following her brother. How could she get her brother without Tae Gu knowing? Het utmost goal is to have fer family whole again.

What would happen if their lives entangled? Is there a hope for Tae Gu? Would Mi-na be able to reunite her family?