Over a 4 day period, a fierce battle takes place between Korean Independence Army and Japanese forces in Manchuria, China. The militia includes Hwang Hae-Cheol (Yu Hae-Jin), who is a master with the sword, and Lee Jang-Ha (Ryu Jun-yeol), who is an expert marksman. Based on the historic battle in 1920, the movie depicts the victory of the Korean Independence Army.
