A thousand years ago, Chen Xiao suffered countless humiliations before his soul was transported to the immortal realm, where he became a peerless immortal doctor. A thousand years later, he returns to the city and continues to fulfill his duties as a son-in-law. Faced with his beautiful wife, his life is constantly intruded upon by various beautiful women, leaving Chen Xiao both innocent and helpless. As he begins a different life, he gradually uncovers the mystery of his origins.