In 1910, Korea suffers the humiliation of being annexed by Japan. Young patriots form an independence group called Bukrogun Jeongseo. General Kim Jwa-jin as well as freedom fighters such as Lee Bum-suk, Na Jung-jo are burning with nationalistic spirit. Japan takes over Manchuria. In order to destroy the freedom fighters, Japan employs the Manchurian bandit, Jang Jak-rim, and starts plotting their destruction. Risking their lives, the freedom fighters engage in a bloody battle at Chungsan-ri under the extraordinary leadership and burning patriotism of General Kim Jwa-jin. Despite being greatly outnumbered, the freedom fighters are triumphant.