The two clans battle for dominance of the Hanging Bones. Qian Xun, the leader of the Dragon Clan, signed the "Xuan Bone Book" for the Bao clan to end the thousand-year fight with the Spirit Clan. However, the two races have been in peace for hundreds of years, but they have been fighting again.

Yang Gensi leads his team at the Chosin Reservoir to repel eight waves of attacks from the U.S. Marine Corps. With ammunition running low and few men left, he must make sacrifices to defend their position.