‎When a horrific accident took his mother's life three years ago, Xi No (Fan Shi Chi Chi) was never able to fully recover from the shock. Since that day, Yu No has been living with an affective disorder so severe that he has lost all connection to his emotions. Unable to laugh, cry or even love, Xyu Noh is unable to communicate with other people, as he has lost all ability to empathize with others. Unable to feel guilty or remorseful, he has become a cruel boss when it comes to business. Despite the fact that he is known for his good work, his methods made him a target of several disgruntled people. ‎
‎When the need for protection becomes apparent, Xi No begins to look for a bodyguard. Among the many applicants for this job is Ke Xi Yi (Qi Yan Di), an economics specialist who secretly dreams of becoming a professional fighter. With incredibly honed feelings and lightning-fast reflexes, Xi and easily copes with the task.‎As the relationship between them grows, The long-lost emotions of Theo No gradually begin to return, and when they appear, a whole new world of possibilities emerges. But in this new world, Xi has to ask himself, is he capable of accepting the feelings he seems to have for Xi?‎