Valentina knows how exactly to live in the city spread throughout the old mining caves under the Martian ice cover. A violent place in a forbidding environment, but home for her and her sibling.

Until she wakes from a coma to look for her brother gone. Her father thinks her not capable of pursuing them back again to the equatorial metropolitan areas.

He underestimates her – her stubbornness, her courage and her inventiveness. But she underestimates the cool, airless surface area of Mars.

A journey in the polar ice cover towards the Martian equator? Not enough to avoid Valentina. Not with her brother at risk.