Yoo Nan-Hee is a cheerful high-school girl, and also the president of the drama club. But everything changes when she begins to have feelings for Jang Gook-Yung. When she hears a rumor that Jang Gook Yung is dating the princess of class 12, Oh Eun-Yung, she becomes depressed and ends up getting drunk. Then poor Jang Gook-Yung gets stuck with taking her home but because of an accident, he decides to take her to his house instead.

Once there, she accidentally knocks him out, so she removes the unconscious Jang Gook Yung's clothing for him. The next morning her parents see the shocking image and decide that, to avert a huge scandal, the two must get married! Now they have to try to live a normal life… if they can…