Under the neon lights of Seoul's red-light district, a Korean family's sordid secret unravels. The father, a married man, can't resist the allure of his daughter's young, tight body. He takes her roughly, their flesh slapping together in a rhythm as old as time. The daughter, initially hesitant, soon succumbs to the pleasure, her cries of ecstasy mingling with the city's nighttime symphony. But their secret is out, and now, the family's darker desires are laid bare for all to see.