Qi Xia accidentally wanders into an abandoned seaside villa, where he discovers a sleeping girl and the mysterious villa owner’s strange patient. Not long afterward, when a close friend suddenly falls into a coma, Qi Xia comes face-to-face with a monster hidden in dreams that devours the mind. Thus begins his adventure, traveling between reality and dreams. He initially thinks his role is to uncover the world’s mysteries, save the suffering, and become a spiritual mentor. But he gradually realizes that the person who has been guiding him all along may be harboring a secret they cannot reveal...