Kate Kim is a gifted child she can dance and sing.She joined a auditions for Pledis Entertainment to try her luck,she been accepted to the company. She had to leave her family and friends behind because she have to move to Korea to fully her dream.Once, she's there she has to stay with a group of boys who call their self has 'Seventeen' for a couple months.Will she fall in love with one of the boys after being dumped by her ex?