Seungri enjoys a threesome with his wife Juna, who transforms into a nymphomaniac at night despite her ordinary appearance, and Yujeong, Junas lesbian partner from their school days who enjoys perverted acts. Then one day, he receives a call from Dongcheol, a classmate of Seungris who was the object of everyones fear during their school days. Seungris peaceful family life is threatened by Dongcheol.