Kwon Eun-seo was the typical Korean girl you would meet in the streets. She had a talent in being a social butterfly and making everyone just fall in love with her sweet personality. Though underneath the sweet girl was a witty, brave and sarcastic side that only came out if you annoyed her.

Big hit Entertainment were having open auditions for new trainees, and Eun-Seo took the opportunity by the persuasion of her friends who always insisted that she was multitalented, both in singing and dancing. How will it go for this average city girl? The life of an idol never appealed to her, but will it change everything when she one day by accident stumbled upon a boy by the name of Kim Taehyung?