He was originally a smart little crown prince, but because of his imperial ambition, he lost his home and parents, and was pushed off a cliff by his enemies.
She was originally a happy little princess, but because of her kind-hearted desire to save an unknown elder brother, she fell off a cliff with him.
Under the cliff, boys and girls lived an inhuman life, and one day, the girl was knocked down into a deep pool and was never seen again.
When we meet again ten years later, they have met but not known each other, but fate is such a clever arrangement. They worshiped the same master again and became brothers and sisters.
After coming down from the mountain, the senior brother was appreciated by the King of Liao, but the junior sister only opened a "Qingfeng Medicine Studio" in a small village.
Their memories slowly come back to their minds as time goes by... Will they remember their childhood? What will be their outcome?