Jiang Sui, an overworked office worker, dies suddenly and transmigrates as the neglected legitimate daughter of Minister Jiang Zheng in the Great Wei Dynasty. During a severe drought, she prays to marry a rich man at Baohua Temple, and is struck unconscious by thunder alongside Emperor Murong Dan. She wakes at a mass grave, with the emperor’s soul trapped in her body, whom she calls Zhao Jianguo. When the Jiang family comes to harm her, the emperor takes over and frightens them off. To help him return to the palace, Jiang Sui enters the imperial selection under his guidance. Framed for adultery by Jiang Yu, she is saved when Murong Dan regains his body. They defeat their enemies together, Jiang Sui becomes empress, and a deep bond grows between them.