The Second Princess, Yang Shifei, falls for Xuan Yang Ruilang, the young master of a general's household. Alas, his heart belongs only to the former First Princess. Her unrequited love becomes nothing more than a fleeting illusion, and Yang Shifei cuts off her attachment before turning to the schemes of the imperial court. With her wits, she breaks through obstacles, quells internal rebellion, and repels foreign enemies, carefully advancing through turbulent times. From a sheltered girl of the inner palace, she transforms into an iron-fisted ruler. Ascending to the highest throne and looking down upon all, she turns the heartbreak of her past into a medal on the road to power. In the end, as the sovereign of all under heaven, she writes a legend of her own.