Confined by the alien Sylph to the surface of Earth mankind has lost the power of flight. Can one woman use her knowledge and skill to overcome human politics and alien indifference to regain the skies?

Having survived an other-wordly nanovirus, Mason Clayton travels to safety with two teenagers and a friendly alien drone. Meanwhile, a malevolent being stalks the land and an alien race approaches with annihilatory intentions.

After a dead man finds himself the only human among a race of demons he must labor alongside them to build a bridge leading from their underworld to the surface above.