In this life, he was her mentor, she was his most proud student, and he had a family, but she fell in love with him, knowing that there was no result, but she just got stuck in it and couldn't extricate herself. When their relationship was made public, she chose to leave, but unexpectedly traveled to the Song Dynasty and met Zhao Defang, the legendary prince who looked very similar to him. After time travel, she was the concubine given to Zhao Defang by Emperor Zhao Guangyi of the Song Dynasty, a concubine that Zhao Defang did not acknowledge. She knew that there would be many difficulties between them, but she didn't care, because she knew that she would stay with him in this time and space for the rest of her life...
In her previous life, she was his eighth princess, but she loved his uncle Zhao Guangyi deeply. She thought that his fake death would make Zhao Guangyi accept her as his concubine, but she saw his cruelty and coldness. After learning that because of her obsession, she would be trapped in the future forever. When she fell into this hopeless and unethical love, in order to change her fate and for the remaining guilt in her heart, she exchanged her soul in this life for her soul in the future, hoping to change her twisted fate...
She changed after falling into the water that time, and became willing to stick to him and pester him. Although he knew that she was the spy arranged by the emperor's uncle, he found that he was actually attracted to this changed her, but he didn't know if her change would last a lifetime, or if it was another trap that would put him in danger...