Sun-Cheol, delivers milk and dreams to be a boxer, often uses violence that causes worry to his teacher in charge Mr. Oh. He likes Hye-Na but she pays her court to Jun-Hyeong a student teacher. Mr. Oh just takes care of this Hye-Na. Jun-Hyeong feels pity for her since he came to know that Hye-Na leads a limited life due to a disease. After all Hye-Na conducts strayed behaviors because she knows her death is near at hand and she hates the reality. In the end Hye-Na died after she donated her heart to a hated friend.