![](https://image.tmdb.org/t/p/original/uef4wJtTQWHl1aQx5VA1cOMHKUe.jpg)
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Young-mi is having a hard time because of her boyfriend Tae-sung who always tries to sleep with her when they meet. One day, Tae-sung suggests an interesting game and sleeps with a woman who approaches him and keeps it a secret from Young-mi. When they are together, Young-mi happens to see a text message from 'this woman' to Tae-sung. Then, she starts doing something unexpected...