Little by little they rose grimly into the western sky. I could not help feeling that they were evil things – mountains of madness whose farther slopes looked out over some accursed ultimate abyss.
— Professor William Dyer

In 1931 the scientific community was amazed by reported findings from the Miskatonic University Expedition led by Professors Dyer and Lake, into uncharted Antarctica. And the whole world was shocked by the tragedy which followed.

Now, in 1933 the Starkweather-Moore Expedition plans to go back to brave the mysteries of the icy continent. How credible were Lake's reports of ancient fossilized life forms predating all known terrestrial life? Will the Starkweather-Moore Expedition return in glory or misery?

What really lies Beyond the Mountains of Madness!?