Min-hyuk received a new resident while using his house as a share house. One night, she finds Na-young sleeping on her front porch. Nayoung, who entered the share house on the same day. The two sleep Na-young in the living room. Jin-woo, who came out after washing, and Na-young, who woke up, has a good feeling for Na-young, who is like a four-dimensional… Meanwhile, Min-hyuk notices the strange currents of the two. Although Nayoung knows Minhyuk’s feelings, he attracts Jinwoo to her room. The story of the dizzying love between two friends to take over a woman is just beginning.