Years Ago, Ying Zheng, King of Qin Kingdom, sent his armies to perish Chu, the last one of his six enemy kingdoms that stopped him from uniting China. Xiang Family, the strongest power in Chu confronted Qin's troops. Xiang's young master, Shoyu, despite his young age, fought excellently. However, because of the fierce battle machines that Gongshu Family had made for Qin, Shaoyu and Chu armies were unalbe to withstand the attack of Qin troops led by Meng Tian, and were forced to retreat. Ying Zheng finally unified China, but he knew there were still enemies watching his empire. Days ago, he sent his troops and Directionist Wei Zhuang to destroy the Machine City of Mohist School.
两千多年前中国正处于战国时代，秦王政使秦国成为战国七雄中的最强者，而挡在他吞并六国的征途上的最顽强的对手就是南方的楚国。公元前222年，秦国派出名将王翦和蒙武率领60万大军进攻楚国，而以楚国大将军项燕为首的项氏一族也率领了40万军队迎击，这场战斗决定了100万人的生死。项燕的孙子项少羽也投入到了这场战斗中，奋勇杀敌。
