Xiao An, a girl with yin-yang eyes who possesses an immortal body, runs a paper-making shop during the day and folds paper and burns it to wandering ghosts at night to help them fulfill their wishes and reincarnate. Xiao An, who is haunted by hundreds of ghosts, has sent away countless ghosts, but has been entangled by the evil ghost Quan Dexi for many years. In order to send Quan Dexi away, Xiao An came up with a plan to give Su Jin, a simple boy she met by accident, to Quan Dexi to fulfill his wish. In the process of sending away the evil ghost Quan Dexi, she gradually unravels a love-hate entanglement that spans a century, and also finds out the mystery of her own life experience. Why is Xiao An immortal? Why does Quan Dexi keep haunting Xiao An? What is the fate of Xiao An, Quan Dexi and Su Jin in the end?