A month and a half ago, angels descended from heaven to destroy the modern world. Since then, the day belongs to street gangs, and the night to horror and prejudice. Seventeen-year-old Penryn must return her little helpless sister, who was carried away by a flying warrior. For this she is ready to do anything, even to make a deal with the sworn enemy of the human race. But the only angel with whom she could form an alliance lies on the asphalt in a pool of blood. There are countless battles in which he has been, but today’s one cost him his wings. This means that these two - a heavenly cripple and an earthly girl weak from hunger - must cross war-torn Northern California to reach the stronghold of the angels. And there, in San Francisco, the risk will increase a thousandfold...