Carat is a twenty-two year old Composer who just landed a job in Pledis Entertainment! but to her dismay, she will not be working with her favorite boyband Seventeen. Instead she will be working with an upcoming boygroup she quickly learns she absolutly despises! As if Her first day in the company wasn't the biggest disaster in her lifetime, She Questions if she can continue to work in the company at all. But with the Company manager pulling for her, she decides to do her best not to disappoint him. After the new group gets disbanded, Mr. Han tries his best to convince the members of Seventeen to let Carat work with them. Will her musical abilities impress Woozi and give her the chance she's always dreamed of? and will she be able to hide her true feelings?