Ning Yao transmigrates into a book and becomes the real daughter of the Ningyuan Marquis's household, whose identity was switched at birth.
The original Ning Yao could never compare to the pampered impostor. She suffered endless humiliation and was arranged to marry a notorious womanizer in the capital, only to meet a tragic end.
Unwilling to repeat the original's fate, Ning Yao decides to stay away from the plot to save her own life. But by accident, she saves the book's immensely powerful villain.
At the time, the villain is still the pitiful, fallen crown prince of the previous dynasty.
Burdened with the mission of restoring his dynasty from birth, he has been crawling through a lightless mire. Gravely wounded and on the brink of death, he has already given up on surviving.
Then a girl with a smile like a flower appears and takes him, covered in blood, back to safety.
From then on, Huo Qiyun no longer walks his path alone.
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Later, chaos engulfs the land, and the throne changes hands.
The former crown prince leads an army of thousands into the imperial city and topples the ruling dynasty.
The Ningyuan Marquis household has lost its former glory and becomes the new emperor's chosen example to punish as a warning to others.
When Ningyuan Marquis is ordered to have his household searched and his title stripped, he enters the palace to plead for mercy. There, beside the emperor, he sees an empress every bit as radiant as he is.
She is the very daughter they ignored and refused to acknowledge.
"Plead for mercy?" The new emperor curls his thin lips into a smile. "Then you'd better ask whether the empress agrees."
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Everyone says the new emperor is cold-blooded, merciless, and tyrannical.
But no one knows that, at night,
the handsome, dignified emperor kisses away the tears of the girl in his arms, over and over, never tiring of it.
And how tenderly and indulgently he whispers in his husky voice, "Be good, Yaoyao."
Theme: Historical romance