In 1933, Japanese-occupied Korea, resistance warriors in exile in China plan to assassinate the Japanese army's highest commander during a visit to Korea. The only one capable of making the shot is Ahn Ok-yun, a skilled sniper imprisoned in Shanghai. Resistance agent Yem Sek-jin is sent to free her, but a traitor betrays the plan, and Ok-yun must now escape the Chinese prison and face the Japanese army and a deadly hit-man sent to take her down.

Assassination
In 1933, a group of Korean rebels launch a daring plot to overthrow the Japanese Commander, but their mission is compromised by a mole within their ranks and the relentless pursuit of their Japanese oppressors.