Purring in the face of injustice.
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.
Shin Hae-sun
Lee Jun-young
Park Jung-woo
Park Hyuk-kwon
Cha Chung-hwa
Son Sook
Lee Jung-ok
Lee Chan-hyeong
