Shang Yunnuo dreamed that she mistreated Chu Yan, leading to his dark transformation and a tragic end. Awakening, she resolves to treat him well to avoid a miserable fate. After tender moments on their wedding night, however, her husband's voice echoes from outside, and she suddenly realizes that the one she is wedded to has always been Chu Yan. Set against a dual-rebirth backdrop, the clever heroine establishes her footing in the marquis's estate and navigates courtyard intrigues, while the outwardly sweet yet inwardly dark Chu Yan silently protects her. Together, they weather various trials and draw closer to each other in a pure, ancient-style romance.