This story takes place at the end of the Warring States period, when the lords vie for power and the realm is in chaos. Ying Zheng, the First Emperor of Qin, has grand ambitions and is determined to end the turmoil and unite the land. Yet the road to unification is fraught with hardship and danger. Just as Ying Zheng finds himself in dire straits, mysterious forces emerge to lend him their aid.