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.

A Japanese woman visiting Korea stumbles upon a secret that involves a hundred-year-old story. The secret comes in the form of a ghost, it's story, and the strange groaning noises it makes.

Yeonghwan is a complicated flirt with a woman who enjoys living with countless women! But he is not a divorced person. I'm not happy even with my married Hye-mi... Thanks to her handsome looks, I easily enjoy it with women. Neither does he deny an upcoming woman and does not catch a woman who hates it. Then, Young-hwan loves Hye-mi, who has approached her like fate, and decides to organize all the women. So, when he meets grace, Young-hwan... When he asks to break up, he says he can't. The grace of having sex outdoors. I'm a man, so I'm excited. When she asked to break up with Eunsol, the second woman, she also cried and hung... Young-hwan was having a happy time with Hye-mi in a busy space. The grace that the doorbell rang and came suddenly. When she asks Hye-mi, Yeong-hwan's wife, whether she can live with her for a week, she is a friend of Yeong-hwan, and she gives her permission. Then the three mysterious cohabitations begin...