Chen Yun (Fei Fei), the legitimate daughter of the Chen family in the capital city, possesses medical skills, martial arts skills and talents, but due to the family's disaster, her fate has been completely changed in a flower festival. During the "Oiran Robbery" dispute, she took action to protect her younger sister Chen Jiajia (Jia Jia), but was attacked secretly. Fortunately, she was rescued by the idle prince Wang Xuan (Xuan Zi). Unexpectedly, a well-designed "drug game" accidentally entangled the two, and with the help of the villain, they were forced to get married.
When they first became husband and wife, they were happy enemies who were constantly at odds with each other - she guarded him like a wolf, secretly investigating his "idle" façade; he was curious and probing about her, and was gradually attracted by her intelligence and tenacity. Above the court, the power of the second prince is eyeing; within the family, the marriage between sister Chen Jiajia and Lu Yunhao (Xiao Hao) has twists and turns. Chen Yun sheds her boudoir weakness, saves lives and heals the wounded with her medical skills, and helps Wang Xuan break the situation with her resourcefulness; Wang Xuan also takes off her disguise, showing her sinister strategy and affectionate responsibility, and the two go from being forced to be tied to being connected.
From the sudden change at the Flower Party to the defense of the palace, from the confrontation of power to the border support, they worked together to thwart the conspiracy, quell the war, and even welcomed twins; Chen Jiajia and Lu Yunhao finally got married and gave birth to twin daughters. When the dust settled, a peaceful and prosperous age began, and three families and three generations lived together, the love between Chen Yun and Wang Xuan had already turned from an accidental mismatch into an eternal legend in the capital.
