On Joon Soo's 20th birthday Jeong Yeon, who is 5 years older confessed her feelings to him. Hw actually likes how she reminds him of his stepmother. Joon Soo is all awkward with his first love relationship. Somehow it leads to him asking Jeong Yeon to marry him in 10 years after he marries of Jin Joo and Hyeon Seok. Hyeon Seok always ranks first at the whole school. On second place is Lee Kyun Tae, the son of a congressman. Out of jealousy he always accuses Hyeon Seok of cheating and harasses him because of his stepfather who was a con man. Not seldom does this lead to fist fights. When Joon Soo is having a surprise party for Hyeon Seok at the karaoke hall Kyun Tae came uninvited and causes problem again.