Archaeologists Dr. Roger Bentley and Dr. Jud Bellamin find a race of Sumerian albinos living deep under the Earth. They keep mutant humanoid mole men as their slaves to harvest mushrooms - their primary food source since mushrooms can grow without sunlight. The Sumerian albinos' ancestors relocated into the subterranean after cataclysmic floods in ancient Mesopotamia. Whenever their population increases, they sacrifice old people to the Eye of Ishtar, which is really natural light coming from the surface. These people have lived underground for so long that they are weakened by bright light which the archaeologists brought in the form of a flashlight. However, there is one girl named Adad who has natural Caucasian skin who is disdained by the others since she has the "mark of darkness." Th