Ling Muxue, a Chinese medicine practitioner struggling to survive in a modern city, accidentally got involved in a love-hate entanglement that spanned time and space. She thought she was just saving a mysterious man who was seriously injured and lost all his memories, but she didn't know that he was actually the Emperor of the Nine Heavens - Xuantian from the ancient fairyland.
When the emperor of the immortal world became a mortal CEO, the seal of memory and the impact of reality made him cold and strange. What was once a life-saving grace seems to have become a joke in the face of the huge identity gap. Faced with his indifference, the persecution of his family, the provocation of his love rival, and the immortal secrets hidden behind the modern city, Ling Muxue did not flinch.
Holding a silver needle in her hand, she saves the world with her medical skills, and with her wisdom and tenacity, she gradually reveals the truth about Xuantian's amnesia and awakens his sleeping memories and emotions. This is a reverse journey from the modern city to the Nine Heavens Immortal Realm. It is a fateful relationship between a mortal woman and an ancient emperor. When memories return and immortals and mortals are separated, can their love withstand the test of the laws of heaven and reunite?
