Kyuhyun comes back home after years of studying and living abroad. He is exciting to see his family and his best friend Minho but at the same time he is terrified to see the biggest jerk in the world: Choi Siwon, the man who bullied him all his life since childhood. He will do everything he can in order to avoid him because he hates him with fury. The day he arrives, before going to his family´s house, he goes to a bar and meets a hot guy with who he spends the most passionate night of his life in the man´s house.

Siwon can´t forget the man he shared the most passionate night of his life. When he thought he would never see him again, next day he meets him talking to his brother in his family´s house. He never imagined that the hot man was no other than the boy he loved to bully since childhood.