In her previous life, Nangong Li was a princess who was favored by thousands of people. However, due to her love brain, she mistakenly trusted someone else and was betrayed by her concubine Nangong Wan and her beloved Gu Qingchen. She witnessed the tragic death of the empress and the destruction of her family and country, and she herself ended up with no body left. Only the cold and taciturn Night King Xie Heng, who sacrificed his life for her revenge, became the only light for her soul when she was wandering.
Once reborn, she returned to the eve of the palace banquet where her fate changed. The innocent and innocent princess in the past lost her sharpness, and her eyes were filled with only bone-chilling coldness and careful calculation. She pretended to be gentle and planned every step of the way. She first set up a trap to make the concubine suffer the consequences, and was bound to the foolish prime minister's son, ruining her reputation. Then she cleverly avoided Gu Qingchen's false feelings and secretly undermined his power foundation.
On the way to revenge, she accidentally discovered that Xie Heng was always watching her from the dark. Facing the prince who died for her in her previous life, Nangong Li was wary but also moved. The two went from testing each other to fighting side by side, she gradually opened her heart, and he used all his power to protect her.
The court hall is turbulent and the harem is full of secrets. Nangong Li uses wisdom as his blade and sincerity as his armor. He not only wants to make his enemies pay with blood, but also protects his family and stabilizes the country. While rewriting their destiny, he also finds a belated happiness for himself and Xie Heng.