Top perfumer Su Muqing accidentally traveled through time and became the legitimate daughter of the neglected minister of etiquette. With her extraordinary perfume-making skills and mysterious "Mu Ling Space", she has quietly risen in the capital. At the palace banquet, she first showed her talents with her exquisite fragrance theory, which attracted the attention of Xie Lingyuan, the rumored to be absurd and unruly Prince Jing.
He seems to be a playboy, but he can always see through the deep meaning in her fragrance, and invites her to sing his heartfelt song in the name of "Songtao". With a sudden order, she followed him to the imperial palace. In the abandoned alchemist ruins, a "soul-fixing" treasure related to the secrets of the royal family was discovered. From testing each other to trusting each other in life and death, in the autumn scenery of the imperial mausoleum, a kiss in the maple forest sealed the promise.
After her triumphant return to Beijing and the grand wedding ceremony, she took charge of the middle court and calmly dealt with the difficulties of her stepmother and concubine and the open and secret attacks of the noble ladies in the court. A poisonous conspiracy was discovered at the palace banquet on New Year's Eve. She keenly saw through it and spent the danger with him. However, under the calm, there is a turbulent undercurrent, the smoke of war suddenly rises in the north, food and grass are robbed, there are spies inside, and the government is constrained. When he was in danger, he was ordered to go to the battlefield; she stayed in the capital, using "Muxiang Pavilion" as the foundation, secretly raising food and medicine, establishing a secret supply line, and becoming his most solid backing.
In the bloody battle at Yingzui Cliff, he took the lead and conquered the natural danger; she was assassinated and injured in the capital, but she fought back with an iron fist and stirred up the situation in the court. The good news came that he was granted the title of King of Zhenbei, and his achievements shocked the Lord. In order to maintain long-term peace, he resolutely handed over his military power and took her to escape the mist and rain in the south of the Yangtze River. They stay away from disputes, have children, and fulfill their vow of "being together for the rest of their lives." A legendary love that begins with fragrance, is stronger than affection, and ends in peace. In the years of Jiangnan, the still water runs deep and the fragrance becomes clearer.