In the ancient Yan Dynasty, the young and wise Empress Lin Wanqing, feeling lonely and helpless due to palace intrigue and the Emperor's neglect of her, encounters a mysterious figure—Gu Changfeng, a skilled young sorcerer from the common folk. He possesses the unique ability to hear people's thoughts. After discovering he can hear Lin Wanqing's heart, he begins helping her navigate palace crises, and they form a special bond of trust. However, their relationship attracts the attention of the scheming Consort Su Yao, who plots to ruin Lin Wanqing. Together, Gu Changfeng and Lin Wanqing expose Su Yao's conspiracy, revealing her treachery. The Emperor, feeling guilty, reforms the court and strengthens the empire. Despite the challenges that follow, Gu Changfeng’s abilities continue to protect Lin Wanqing. Ultimately, their love survives, and Gu Changfeng becomes the Empress's protector, securing their place in history.
