In the medieval times, the Middle Kingdom Empire or HAN Empire in the East of Eurasia felt apart into civil war and faced the barbarians invasion from the West front for several decades until the Great Tang Empire reemerging from the chaos in 618AD. In the middle of Eurasia, Persian Empire faced the increased Islamic Arabian Empire challenges and until 640AD completely collapsed. The Persian Emperor sent his Prince to the Tang Empire to seek aid to restore his Empire. While the Byzantine Empire or the Eastern Roman Empire survived the split of Rome Empire in the West of Eurasia, the fragmentation and fall of the Western Roman Empire in the 5th century but also continued to battle with the rising barbarians from all directions. The lifeline of the Silk Road is broken and ceased. The whole world was in chaos. Who was going to be savior of the world? One of powerful Chinese Empress entered the world stage in 648AD. Our show story starts here.