Seo-hyun is an ordinary housewife in her late thirties with a ten-year-old son and a successful architect husband. For Seo-hyun, life is a series of banal routines, but she is well provided with upper class comforts. Her sheltered life is suddenly threatened with the appearance of U-in, her much younger sister's attractive new fiance. U-in approaches Seo-hyun and attraction evolves into a passionate affair. Seo-hyun is aware that falling for the younger man will destroy her and her family, but she cannot help herself and the new feelings that are stirring within...
Chubby high school student and Madonna-devotee Oh Dong-ku is a trans woman living with her abusive, alcoholic father. Dong-ku works part-time to save money for the sex reassignment surgery she craves. Despite being told that she has the perfect physique for ssireum, Dong-ku has no interest in taking up sports — but when she finds out about an upcoming ssireum tournament with a large cash prize going to the winner, she changes her mind and signs up for the team.
Loose cannon Kwak Jang-bae (Shin Ha-kyun), a neighborhood policeman, is obsessed with his sexual prowess and continually wants to have sex with his live-in girlfriend, Ji-su (Uhm Ji-won), an English teacher at a private school who is bored with his macho behavior. Forthright high-school student Ju Ja-hye (Baek Jin-hee) sells her sweat-stained panties on the internet and wants to lose her virginity to scruffy fish-sausage seller Choi-kang Sang-du (Ryoo Seung-bum); the older man is uninterested in her advances but Ja-hye cannot work out why. Ja-hye's mother (Shim Hye-jin), who sells hanbok (traditional Korean female dress), discovers the owner of a hardware shop opposite, Gi-bong (Sung Dong-il), is into S&M and starts having sessions with him in the back of his shop, assuming a dominatrix role. Kim Gwang-rok (Oh Dal-su), Ja-hye's teacher, is a married man who is secretly into wearing women's clothes when his wife is not around. When Jang-bae discovers Ji-su has ordered a vibrator, he has a major crisis over his manhood and stops sleeping with her. Meanwhile, as his neighborhood has been marked for a moral clean-up campaign by the police, it's only time before Jang-bae also bumps heads with its denizens' licentious goings-on.