Lyman B. Frank leaves band practice one dark and stormy night. On his way home, a truck runs a red light and smashes into his car. After the horrific accident, Lyman wakes up in a strange, dead world full of terrifying creatures the locals call Somnies.
As he searches for answers, he learns of a man named Dr. Oz that might be able to help him return home. So, he sets out to find him. Along the way, he gains some companions who also seek help from Dr. Oz.
Together, they make their way to Z-Industries, but with malevolent creatures consumed by a hunger for flesh hot on the trail, can they make it to Dr. Oz before it's too late?