Unbeknownst to the prying eyes of their neighbors, a group of young, seemingly wholesome Koreans engage in a late-night game of truth or dare that quickly escalates into a writhing tangle of limbs and moans. As inhibitions are shed along with clothing, the friends explore each other's bodies with eager, curious hands, their initial hesitation replaced by a feverish hunger for one another. The night culminates in a steamy, sweaty orgy, the sounds of their pleasure echoing through the thin walls of their shared apartment.