An ordinary college graduate gets caught up in a conflict in the spirit realm by chance while delivering food, all because he is trying to save his seriously ill younger sister. He unexpectedly uncovers the mystery of his origins and gains an ability unlike anyone else’s, setting him on a turbulent path through life. How will the conflict in the spirit realm engulf the ordinary human world? As someone who can communicate with the spirit realm, how will he mediate between humans and spirits? How will his sister be saved? And what choices will he make...