Prince Fusu accompanied Meng Tian to guard the northern frontier against the Xiongnu, commanding an elite Qin army of 300,000. When the First Emperor died, danger closed in around Xianyang. Li Si and Zhao Gao altered the imperial edict and ordered Fusu to kill himself. Fusu chose not to take his own life. With Meng Tian's support, he led 300,000 troops back to Xianyang, reclaimed the throne, and unified the realm. He then stabilized the new order in Great Qin and launched a campaign against the Xiongnu. During the fighting, he unexpectedly encountered a Roman army, discovering a new world in the west and setting the Great Qin Empire on the path of its western expedition...