Dowon lives next door to Irok, a hyung whose life revolves around onenight standssomething Dowon has grown completely fed up with. Every night, hes forced to endure the sounds of Iroks hookups bleeding through the thin walls. Even when Dowon confronts him, Irok just brushes it off and carries on as if nothings wrong.
To make matters worse, Dowon has started dreaming about Irok, a realization that only convinces him things are bound to get worse. Determined to protect himself, he decides to put distance between them and stop getting dragged into Iroks promiscuous lifestyle.
But everything unravels when Irok mistakes Dowon for one of his onenight stands, sending all of Dowons carefully laid plans spiraling out of control.