It is the near future, and the earth has entered a new ice age. For reasons scientists don't fully understand, half the planet has been encased in massive glaciers, and humanity has migrated toward the equator, where temperatures are still barely above freezing, in a desperate attempt to survive.Eleanor Perry lives in Phoenix, one of the most popular destinations for refugees of the Freeze. She is the daughter of a climatologist who works for one of the world's largest oil companies, one of many people trying to find new ways to preserve human life on the planet. In a world where warmth is the only currency and energy is its most valuable natural resource, Dr. Perry believes that a series of oil deposits she has found in the Arctic may hold the key to our survival. That's when she disappears—but not before sending Eleanor a series of cryptic messages that point to a significant and mysterious discovery. Now it's up to Eleanor to go find her.This search will launch Eleanor on a breathless race to unlock the mysteries of what has happened to our planet, solving the riddle of the cold that could be humanity's end—and uncovering a threat to the earth that may not be of this world.