On-yoo is an adult childhood cancer survivor. When he's not practicing with his boy band, Oh-yoo often volunteers at the hospital's pediatric cancer ward. One day, he recognizes the familiar face of an overdose patient.
Cast: Shim Yi Young, Im Ji-gyu, Uhm Soo-jung, Choi Hee-seo, Lee Yong-i, Kang Bo-min, Yang Han-yeol, Lee Kyung-jin
