Jiang Yunyao, a master of modern psychology, traveled to the fictional historical country "Shengqing" due to an accident and became the daughter of a down-and-out official. Awakening in danger is a mind-reading skill that is only effective for ancient people. She can hear the other party's truest thoughts. When her family was in danger and her concubines were in dispute, she temporarily averted the danger with her calmness and superpowers. Going to Beijing to participate in a powerful marriage, she wandered between Yuwen Qisheng, the son of the Taifu, and Gu Beijin, the prince, and was forced to be involved in political intrigues, court and back palace conspiracies. Facing the world's intrigues and emotional choices, she struggled painfully and grew and transformed, gradually establishing friendships, protecting family ties, and realizing self-worth. In the finale, she understands that real power is not to control other people's secrets, but to stick to one's own bottom line and goodwill.