A brother and sister face the increasingly oppressive occupation of Korea by Japan during World War II, which threatens to suppress Korean culture entirely.

"China. The year is 1200. The Song Empire has been defeated in the north by invading Jurchen forces. Pushed further south, the empire is in danger of collapse and the Chinese population is furious. Now it falls to lone patriots trained in the martial arts to save China. Guo Jing's father was one such hero, killed in defence of his country. His mother was forced to flee to the edges of the empire, where Guo Jing was brought up fighting with Genghis...