Jiang Yan, a master of modern psychology, accidentally traveled to the fictional ancient times and became an unpopular concubine in the Hou family. With her mind-reading skills, she carefully survives in the deep compound, while secretly observing the people around her to understand their true thoughts. In order to get rid of the fate of being manipulated, Jiang Ju began to use her abilities and gradually got involved in the vortex of power struggle. She met the prince Xiao Jing, who had great military exploits but was in danger. The two went from using each other to knowing each other and falling in love. At the same time, her childhood sweetheart Lu Mingyuan also had a deep love for her, but the three of them fell into complicated emotional entanglements because of their different positions. In the turbulent court, Jiang Ju relied on her wisdom and courage to help Xiao Jing resolve the crisis, and finally assisted him in ascending to the throne, realizing self-salvation and value.