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.

A woman works as a special makeup artist. Because her heart was broken in the past, she finds it hard to love again and has a cold heart full of sadness. She unexpectedly falls in love with a humanoid robot programmed to be the perfect boyfriend and all the while a top star is competing for her affections as well.

Kang Han-Kyeol is a great yet sullen composer who becomes inspired by the voices of others and keeps his identity secret from people. He meets Yoon So-Rim, a high school student who possesses beautiful singing, whilst under his secret identity, and she falls in love with him. Adaptation of the manga by Kotomi Aoki under the same name, which has been running since 2009.