Yoo Nan Hee is a high school girl and also the leader of the drama department. She was always a cheerful person, but everything changed when she began to feel something for Jan Gook Yung. When she discovers that Jan Gook Yung is dating the princess of class 12, Oh Eun Yung, she ends up getting drunk. The poor Jang Gook Yung gets stuck with taking her home but because of an accident he momentarily decides to take her to his house instead.Once there, she accidentally knocks him out and takes his clothes off for him because he fainted. The next morning her parents see the shocking image and decide that they must get married! Now they have to try to live a normal life… if they can…