Zhou Qi accidentally travels through time to the borderlands of the Great Ning Dynasty. When given a choice, he selects Gu Yilan, the daughter of a disgraced official whom everyone despises. Using his intelligence, he eliminates the villains who covet her and rises through the ranks with his political savvy. He gathers loyal subordinates and the formidable warrior Meng Jiao, then volunteers to take on the dangerous Seventh Beacon Tower. There, he sets an ambush that wipes out the invading enemy forces. His military achievements earn him a promotion to Captain, and with just twenty cavalrymen, he launches a surprise attack on the Sky Wolf military camp, forcing the enemy to retreat. After two successive promotions, he becomes a Battalion Commander. As he steadily wins people's loyalty and builds his own power, he rises step by step amid the chaos of war, embarking on a path to conquer the realm.