On the day of the grand wedding between Shen Yunzhi, the legitimate daughter of the Marquis Mansion, and Emperor Xiao Yuanying, rebel forces breached the palace gates. Xiao Che, the Regent Prince, led his troops to successfully eliminate the rebels. Unbeknownst to all, Xiao Che and Shen Yunzhi had once been lovers, but were schemed against by a vicious pair of antagonists, causing them to forget each other. As they spent time together day and night, they gradually developed new feelings for each other. Together, they joined forces to unravel the conspiracies of the calculating Emperor and his venomous female accomplice. In the end, they rediscovered their love and successfully recognized each other once more.
