Kibum is always sick, leading him to be hospitalized. He's always been lonely, seeing patients come and go. Being mute mde it harder to make friends. Will it end when he befriends that strange blond boy with large white wings?

Jonghyun is devastated after his girlfriend, Sekyung, passes away from a car accident. Jonghyun doesn't talk, hardly moves, and eats as little as possible. He looks like a zombie. When he finally wakes from his trance and returns to work looking dead, his co-worker, namely Kibum, is determined to help Jonghyun get back on track. It sort of works, and the two becomes closer than they both would've thought. But what if Sekyung comes back? What would Jonghyun do then?