Min-seok and Yoon-hee have been dating for three years. Yoon-hee tells Min-seok that she wanted to get married a year ago. However, Min-seok is not ready to get married yet, so he keeps putting it off. Yoon-hee struggles with her father's violence and thinks marriage is her way out. When she first saw Yoon-hee, she was happy, but now, when she sees her, Min-seok feels frustrated. One day, he suddenly gets a call from Min-young, who used to follow him when he was young. Min-seok met Min-young as a change of mood. He is surprised to see Min-young, who has changed into a sexy figure different from before. As soon as Min-young sees Min-seok, she falls in love with Min-seok. When she meets Min-young, she doesn't think of Yoon-hee.

"Marriage is crazy! Just have fun and that's it!"