An expelled boxing champion, who now is a high-school teacher, witnesses intolerable violence and throws her first punch to build justice against it, while putting on a mask.
Park Seri, a 19-year-old girl who gets entangled with a transfer student Han Yoonseok while attempting to confess her love for Kim Hyun and getting rid of her curly hair.
College freshman Hae Won butts heads with his cold boss at a rooftop restaurant—until unexpected feelings stir, challenging both their walls and hearts.
