The girls are up for an unexpected dance battle, and the loser cleans the dance studio. Su Ji shocks the girls as she feels the rhythm and dances her best. She is a bit rough around the edges, but Young Joo notices that Su Ji has talent, causing feelings of jealousy and tension to sprout.

Young Joo is wearing out the Debut Team with her oppressive tactics - especially Tae Ri, who gets a whirlwind of abuse from Young Joo. The trainee life isn't easy, but it's driving her to extremes!