Choi Yui-jeong

Yeong-su and Jeong-ah experience many problems as their budding romance defies the strict rules of the co-ed highschool they attend. After graduation when it looks like they can be free to live their own lives, Yeong-su joins the military and their relationship will never be the same.

The activities of a group of Korean independence fighters in Mongolia, who try to steal a valuable item from the Japanese Army.