Eun-joo is struggling from credit card debt. She gets pressured from calls every day. One day she finds a loan with cheap interest on the newspaper and borrows money from Joon-sang. A month later, she hasn't even been able to pay the interest and Joon-sang pressures her about his money. Eun-joo pleads for more time but Joon-sang makes her an offer instead. She agrees to the deal and unusual things happen. Joon-sang feels excitement and even offers the same deal to his friend while Eun-joo does the same to her friend Min-yeong. This is all a part of Joon-sang's plan as he needs his friend's money...

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...