Duk-mi works as a curator at an art gallery. After work, she is a huge fan of idol band member Shi-an and nsecretly runs his fan page. Duk-mi now focuses only her job and doing activities as Shi-an's fan. He is also a genius painter, who is quite an introvert. Based on his attraction to her, he gradually starts to become a fanboy himself along with Duk-mi.