When Yeguan Pass fell, the Northern Barbarian king removed his mask, and Ye Jinghong’s spear crashed to the ground. He was the man to whom she had once given her heart. Back then, she had rejected the marriage arrangements of the palace and disguised herself to win her own martial arts tournament for a bride, where the two fell in love. Later, they traveled across mountains and rivers together, watching the frost at dawn and the moon at night. He had taken a sword for her and helped her devise strategies. But now he had come as an enemy commander, and what he trampled was not only the city walls, but also the countless days and nights they had spent side by side…