Shen Mufeng holds three identities: master of Cloud Sword Manor, son of the Minister of Personnel, and commander of the Embroidered Uniform Guard. He travels the martial world as the master of Cloud Sword Manor, known for his loyalty, compassion, intelligence, and courage. By chance, Shen Mufeng meets Leng Ningshuang, who is disguised as a man and goes by the name Leng Yun. Together, they solve strange cases in both the martial world and the imperial court, and gradually fall for each other. But when Leng Ningshuang learns that Shen Mufeng’s father was involved in the framing and execution of her entire family, they become entangled in a painful conflict of love and hate. Unable to let go of the injustice done to her family, Leng Ningshuang is torn, while Shen Mufeng is caught in an impossible dilemma. He loves her deeply, but cannot ignore his father’s history with her family.
Amid the pain and struggle, Shen Mufeng decides to let everything else go and seek the truth and atonement. He investigates the case, determined to clear Leng Ningshuang’s family name. After much effort, Shen Mufeng uncovers the conspiracy behind it and clears her grandfather of the charges. In the process, the two gradually let go of their hatred and choose to put the past behind them, facing the future together. Their love is tested and grows stronger. Side by side, Shen Mufeng and Leng Ningshuang use tolerance and understanding to resolve the grievances of the past and write a legendary tale of the martial world.