Baek Se-ri

Soo-hyeon and Hye-ji are sitting on a pile of debt thanks to their husband and father who ran away in the middle of the night. Tae-san the loan shark demands the money no matter what. He rapes the mother and daughter and requires them to join prostitution. They survive day by day selling themselves until one day, Tae-san suggests a way they can clean slate over one night and that is for the mother and daughter to have the most extreme sex with one man.

Do-yeong is unemployed after graduating college of physical education but gets a job as a trainer in the gym. There, he meets Se-hee, a beautiful and famous sports caster who lives in his neighborhood. He tries to buy her attention but fails several times. Meanwhile, Do-yeong finds out that the gym is planning a way to use Se-hee and he sets out to save her. What is going on during the 1:1 sessions at the gym and what is the plot behind it?

Woman 1 (Black Girl) who is kidnapped to a basement by some men and Woman 2 (White Girl) are told that they'd be able to live if they aroused their kidnappers with some erotic stories. White Girl tells them about her cousin who is aroused by high heels but fails and Black Girl tells them about some female soldiers and male nurses who run away from an infectious virus but fails as well. Eventually, just as they're about to face death, White Girl starts cussing and the situation turns wary...