He is a mysterious restorer of ancient books in Su Xunnan City's Old Book Alley. His skills are clumsy and his temperament is outstanding, but he has forgotten his past.
She is Mu Wanying, the dazzling national queen with hundreds of millions of fans but a secret that no one knows - a daughter who is suffering from a strange disease and whose life is hanging by a thread.
When modern medicine is helpless, a mysterious approval document twists two parallel lines that should not intersect into an inextricable fateful knot.
Mu Wanying threw away all her halo, held on to her last hope, and knocked on the door of the ancient book shop hidden deep in time.
Their eyes met, and his calm eyes reflected her magnificent face, as well as the little girl in her arms who had very similar features and eyes to him, and was shrouded in cold air.
A wisp of dusty memory was quietly touched, and a forgotten cause and effect began to flow.
"I can save her, but you have to agree to one condition."
"What conditions?"
"Let me stay with her until she recovers."
So, the Immortal Emperor returned and hid in the city.
During the day, he is a super dad who washes hands, makes soup and tells bedtime stories to his daughter.
Secretly, he regained his cultivation in the world of mortals, and the situation changed at his fingertips, supporting an absolutely peaceful starry sky for his wife and daughter.
When enemies from the past and the truth about the world came one after another, Su Xun discovered that what he wanted to protect was not just a small family, but the entire crumbling world.
