Chuck Hummingbird has a nice, safe run, from Pacifica to the Tribal Lands. Even in the fragmented United States, freight still moves between the resulting countries. When he's tapped for a perilous run down past Heartland, the last thing he needs is a pretty blue-eyed drifter, but he can't get Seven out of his head or his bunk. When the Confederated States prove more dangerous than Chuck feared, they're caught in a terrifying flight towards safety that will drive both of them and the love they've found to new limits.