An art curator's life unravels, as she tries to keep her pastime as a die-hard K-pop fan secret from her gallery's new director.

Park Min-young, Kim Jae-wook, Ahn Bo-hyun, Jung Jae-won, Kim Bo-ra, Park Jin-joo, Kim Mi-kyeong, Maeng Sang-hun, Hong Seo-young, Kim Sun-young, Seo Ye-hwa, Jung Won-chang, Im Ji-gyu, Lee Il-hwa, Park Myung-shin, Amy Aleha, Yang Hee-won, Kim Mi-hye, Noreen Joyce Guerra, Kang Jeong-woo, Yoo Yong-min, Jeong Si-yul