Waking up on the beach in Greece after a midnight party, Cleo, a British-Greek tourist, sees a stranger sitting next to her. The stranger has a giant spider on his forearm. So begins an incredible odyssey through the nine levels of the mysterious mountain populated by an odd assortment of monsters, demons, and avatars of dead gods. Still grieving the unsolved disappearance of her twin sister Cora, Cleo is thrust into...