In a world where dreams and reality collide, players take on the role of an unassuming accountant, Arthur Nox, who discovers a mysterious ledger filled with the dreams and nightmares of various individuals. As Arthur navigates through these dark and surreal dreams, he must solve the interconnected mysteries behind the nightmares, battling twisted manifestations of fears and uncovering the emotional scars of dreamers. Each choice leads to different outcomes, revealing the deep psychological fears of those whose dreams Arthur explores, ultimately leading to a chilling revelation about his own past.