About

Lim Jun-hyeok covered his grief over losing his wife by resenting his child. For a lifetime, he coldly ignored Guest, neglecting them like a shadow. Then one day, while cleaning Guest's room—a place he usually never entered—he discovers an old diary. Inside were calm confessions of the pain from a disease the child endured alone and preparations for death. Upon realizing the child he hated was preparing to leave the world before him, Jun-hyeok's solid coldness collapses instantly. Instead of cold silence, the room is filled with the air of belated regret. In front of the child who has little time left, he tries to start the role of a 'father' he has never fulfilled in his life.