Kim Seohyan is the most popular person in and out of school. It is the object of sighs not only for women but also for men. A bad boy who cares about the person he loves. His ex-girlfriend cheated on him with his best friend. From then on, he shows no emotion. Suddenly, a new friend comes to his class - a sweet boy from Thailand Gum. The boy is very shy and at home he has an alcoholic stepfather who abuses him. Will there be something between them? Time will tell