It's about childhood sweethearts who fall in love first and then fall in love. The male protagonist is Li Yuheng, the legitimate son of the late empress and the future heir apparent. He is cold and ruthless on the surface, decisive and ruthless in his actions. He is never sloppy and does not want to approach strangers. He only makes exceptions for her again and again. The heroine, Princess Zhaoyue of Yong'an County, had both her parents die when she was young. His Majesty remembered that her parents sacrificed their lives for the country and died on the frontier battlefield, so he gave her to the harem to be raised by Concubine Yun. She was raised like a princess and decreed that she would be the future crown prince and concubine. As she grew up, her appearance became even more stunning. , Has the title of the most beautiful woman in the capital. These years of prosperity and wealth, and Concubine Yun treating her as if she were her own daughter, made her feel the love of a mother, but she was not happy, because these were all obtained by her parents, and she was destined to be trapped in this palace for the rest of her life and "never be free again." When she met the second male lead and got along with him, she felt free to be herself without being constrained by rigid palace rules. She gradually mistook it for love because she was engaged and did not dare to cross the line. She could only hide it in her heart..." After marrying the male lead, the two respected each other like guests. She didn't understand what love was. The second female lead once She was framed several times, and the male protagonist silently protected her and devoted himself to her. He never said a word and silently did everything for her. In the end, she saw her true feelings clearly and "had already fallen in love with him." After the two experienced various hardships, they finally got married and gave birth to a lovely daughter."