Mountains and Rivers as Vows, Empire as Bride Price

Emperor Zhou Jingheng and the Miao Valley Holy Maiden Miao Yuan have a one-night stand, resulting in a child. An accidental mistake by Miao Yuan causes Zhou Jingheng to become infertile and forbidden from other women, angering him greatly. Six years later, seeking the best doctors in the world, Zhou Jingheng invites Miao Yuan back to the palace for treatment. Through their interactions, misunderstandings are cleared, and they fall deeply in love with each other.