Joseph Moore and his companion Natheer travel to the deserts of Pakistan for an unusual find: arcane carvings have been discovered on the rampart walls of the Ranikot Fort, also known as The Great Wall of Sindh and believed to be the world's largest fortified wall. The enigmatic chief geologist, Martin Van de Castele, leads the team and a military convoy into a mysterious cave where Joseph and Natheer fear creatures of unimaginable terror await.

This story is fashioned after Lovecraft, and is a sequel to the events of Masala Nightmares in the collection The Dalziel Files.