Deep in a Wyoming mine, hell awaits.

Former cattle driver, Rough Rider and current New York City cop Nat Blackburn is given an offer he can't refuse by President Teddy Roosevelt. Tales of gold in the abandoned mining town of Hecla, in the Deep Rock Hills, abound. The only problem–those who go seeking their fortune never return.

Along with his constant companion, Teta, a hired gun with a thirst for adventure, Nat travels to a barren land where even animals dare not tread. But the remnants of Hecla are far from empty. Black-eyed children, strange lights and ferocious wild men venture from the deep, dark mine...as well as a force so sinister Nat's and Teta's very souls are in jeopardy.

There's a mystery in Hecla thousands of years old. Solving it could spell the end of the world.