Liu Xiao, a modern man, traveled through time and became the eldest prince of Daqian. Due to his defeat at the front line, he was falsely accused of treason and treason, and was given a desperate situation to die. Relying on modern wisdom and decisive means, he fought back step by step in the court and on the battlefield, exposed the conspiracy of the sixth prince Liu Bo, and joined forces with Zhao Wushuang and other confidants to defeat Nalan Hongyan, the goddess of war in Northern Liang. He finally put down the civil strife, took control of the court, was established as the prince, and started the road to hegemony.
