Who was the boy—the one she found bruised, beaten, and in tears in that alley? He was the one she found to be the best with words. He was the kindest, most precious being she’d ever come across. He was Luhan.

It was your average apartment complex up until the boy by the name Kim Taehyung decides to move in. After a sequence of heart-pounding events in the same night, he finds himself "associated" with the woman from the ninth floor. What will become of their relationship?