Three hundred years after the war between immortals and demons, Fan Chengran, a Taoist prodigy, was ordered to sneak into the demon realm and disguise himself as the lowest servant. He just wanted to survive and complete the task, but accidentally picked up an amnesiac girl Dai Zixi who claimed to be an "ordinary village girl". He didn't know that she was the legendary empress of the Demon Realm who had long since fallen and could freeze three thousand worlds with one glance... The crazy empress.
