The quest of the dreamers takes them to the Underworld. Their earlier adventures pale to the nightmarish dangers that face them in the gloomy darkness of the endless caverns ahead. A strange guide offers to help, but only for a price he refuses to name. Even with the guide’s help, countless horrors lurk in the shadows. Their journey will take them to the city of the Gugs, a monstrous race of giants. Can the dreamers infiltrate such a Cyclopean stronghold?