Subtle air flows between Yoo and Joon-hee due to their feelings for So-yeon. Meanwhile, Joon-hee becomes more confused about the changes happening to his body and mind. Later, Yoo discovers the secret So-yeon has been hiding.
Casts:
Sehun, Cho Jun-young, Jang Yeo-bin, Song Jae-rim, Jung Yoo-jin, Lee Seung-joon, Park Eun-hye, Jeong Hye-seon