Once there was a boy Junseop LEE, who's the least liked boy in his class. With no true talents, the only thing that makes him stand out from his peers is his ability to eat anything. With this talent under his belt, his spirits run sky-hight and he can't wait to show off his new eating ability. Unfortunately, he doesn't know that a faltering dilemma awaits him.

A happily married couple see only good days ahead of them; but the husband discovers that he is dying of cancer. Heartbroken at the possibility of leaving his wife behind, he proceeds to write love letters aimed at consoling his wife.