Yoon Hee's daughter dreams of becoming a classical singer. Despite her mom's disapproval, she's a feisty middle school student who pursues singing. One day, she visits the most famous soprano in Korea, Cheon Seo Jin. She wants to take her lessons and begs her to accept her as a student. At just the moment when Seo Jin is astonished to hear her voice, Yoon Hee barges in, and the two meet unexpectedly.