Sam has OCD. After he broke up with his girlfriend, Yu Ting, his OCD got more serious. When Sam tried to overcome his OCD, Sam's brother, Ken, took Sam to jogging. One day, they met a girl when they were jogging, the girl just looks like Yu Ting. Ken and the girl will take Sam out from the shadow of his lovelorn self and OCD.

Sam 患上了強迫症。與女友分手之後，強迫症更是日益嚴重。在嘗試治療的當中，Sam 的哥哥Ken 將弟弟帶到戶外跑步透氣。路上遇見了一位神似前女友的女孩，而這將讓他的治療路程有了不一樣的風景。