Min Hyorin, a dancer who auditioned for SM Entertainment by her mother and stepfather is now a trainee. Hyorin has been dancing since the age of 2 has finally granted her mother's wishes of being a trainee at SM Entertainment. After her mother divorced her father, she remarried to another man who was the father of Super Junior's maknae, Cho Kyuhyun. Hyorin's biological father has moved to a new house in Incheon with her older brother Hyoshin while Hyorin was still stuck in Seoul with her new stepfather and stepbrother.  

One day while Hyorin is dancing in one of the practice rooms at the company, Kim Jongin also known by his stage name Kai catches his attention with her dancing. Kai has never seen dancing like that from a girl ever since he debuted with EXO-K.

When Hyorin is dancing in the practice room, Kai decides to approach Hyorin and offers to dance with her. Any kind of dance people mention, Hyorin can do it. Hip hop, Ballad, Contemporary, Jazz and whatever they can name, Hyorin can do It. She can even do gymnastics in her dances which surprises Kai even more when he watches Hyorin dance which makes Kai fall in love with her.