The border of the Dajing Dynasty was in crisis, and the Northern Liao cavalry invaded frequently, and the border defenders were retreating steadily. In the bloody battle at Yanmen Pass, the soldier {Xiao Ce} reversed the tide of the battle with his extraordinary strategic thinking and came to prominence. The eldest princess Zhao Lingxi discovered his talent while inspecting the frontier, and promoted him against all opinions to help him realize his military ambitions. Xiao Ce led his army to repeatedly defeat the Liao army, and rose from guard to general, but he was also involved in court intrigues - the civil servants were afraid of his military power, and the Queen Mother secretly restricted him. Yelu Lie led the Liao army to make a comeback. Xiao Ce, with the support of Zhao Lingxi, fought internally and externally, and launched a decisive battle in Juluyuan. He finally defeated the Liao army, protected the Dajing River and Mountains, and became a legend of a generation of famous generals.