
Youngmin and his wife, married for six years, along with the couple Cheoljun and Harbin, have long since broken down the deep connection between them in pursuit of their desires. Secret meetings between the brother-in-law and sister-in-law, as well as fresh flings between the sister and her younger sister’s boyfriend, continue as they deceive one another for moments of pleasure. The number of times they risk being caught is countless. For the sake of their desires, the four indulge in a web of secrecy, engaging in deeply private and twisted relationships. Will they manage to keep their secrets hidden?