Watch Mark of the Black Dragon (1978) : Full Movie Online Free After winning the war with Russia, Japan sends out young Japanese men of the Black Dragon Group to Manchuria in order to take control of the Manchurian coalmines that are in disarray. The Japanese consul general and mayor of Bong-chun city conspire to take control of the coalmines. However, the White Dragon Group, a branch of the Korean independence fighters, with the help of the great warrior Lee Mu-rim, completely ruins the Japanese plans to take over the coal mines.