Xia Chengran traveled to a different world where life and death were determined by gambling on the fate of the country, and became the most useless prince in the Great Xia Dynasty. When the enemy invaded the country with millions of cavalry projections, and the whole court was in despair, he silently lit up the illustrated book of Chinese heroic souls - Bai Qi, Huo Qubing, Yue Fei... The projections were coming! From then on, he gambled on the fate of the country, controlled the country, and won the cold and charming empress of the enemy country to become his personal maid.