It's a story about a girl named Kim,Yuna Heechul's girlfriend who was being hospitalized due to Leukemia. What will Heechul do if the day that he's girlfriend was sent to the hosiptal the same day of his enlisment to comply with his military duties as korean cetizen. And after hearing on what happened to you he asked his leader Leeteuk to take care of you. What will happend if Leeteuk falls in love with you? will