Three thousand years after a chunk of iron the size of Khufu’s pyramid collides with Europa, Jupiter’s sixth moon, an asteroid borne of the collision crashes into Earth’s Arctic ice shelf carrying extraterrestrial microbial life. The first man to come into contact with the microbes hears voices—and then dies.

After determining the meteorite originated from Europa, the Global Exploratory Corporation sends oceanographer and biologist, Kathy Connelly, and her crew to the moon aboard the Surveyor, an experimental spacecraft. They are charged with the task of melting through miles of ice to the hidden ocean beneath, where the search for alien microorganisms begins. But a startling discovery awaits them on the surface of Europa.

Life.

Vast fields of red, plant-like organisms fill the cracks crisscrossing the moon’s surface, surviving on nutrients welling up from the waters below. Intoxicated by thoughts of what might lie beneath, Connelly and her crew activate the Thermal Exploratory Sy