Lin Wanqing, the legitimate daughter of a general, was skilled in martial arts and strategy since she was a child. Once she was ordered to marry into the Eastern Palace, she became the famous princess of the general in the capital. Instead of being a delicate and affectionate palace wife, she relied on her skills to protect the prince and established her stronghold in the East Palace. The prince was devoted to her, protected her to the core, and believed in her to the extreme. The two worked hand in hand to calm down the turmoil in the court and intimidate the princes from all over the world. In the end, after she held the phoenix seal, she and the prince shared control of thousands of miles of rivers and mountains, creating a legendary story of the emperor and empress working together and the mountains and rivers lasting forever.