Woo-seok happens to meet Gyeong-seo on the street and heads to Gyeong-seo's house. Woo-seok against Gyeong-seo while talking to Gyeong-seo in Gyeong-seo's house. But Gyeong-seo is busy, so she doesn't want to meet a man. Rather, Nam-joo, who lives with Gyeong-seo, falls in love with Woo-seok, and the two of them fall in love in a daze. When Nam-joo fell in love, she felt sorry for the longitude of being alone. Nam-joo decides to connect Gyeong-seo and Jeong-woo by making plans with Woo-seok. In the end, Gyeong-seo and Jeong-woo share love with each other through their performances. But Woo-seok can't erase the scripture from his mind.

"Unknown quadrilateral relationship! I want to do it with the love that I really want!"