The rivalry between Yeon-doo's street dancing club, Real King and Kim Yeol's cheerleading club, Baek Ho, reaches its peak when an incriminating picture threatens to abolish Real King.
Yeon-doo has trouble remembering the cheer team's drunken night in. Principal Choi cracks down on finding the staff member leaking Sevit High's dirty secrets.
Soo-ah and her friends have Teacher Yang wrongly accused of inappropriate behaviour. The corrupt principal is grateful for an opportunity to have him fired.
Ha-joon regrets not having confessed his feelings to Yeon-doo earlier on. Yeol, Yeon-doo, and their parents must figure out what to do when their relationship is revealed.