When the world goes to hell, recent Portland, Oregon-transplant Sarah and her trusty dog-pal, Rufus, count their lucky stars when she finds a safe place for them to call home at The Hold, an enclave of resourceful families. But Sarah quickly learns that the walls built to keep people out also keep people in and she still has business Outside, namely finding out what happened to her family in Boston. Sneaking Out, Sarah learns just how bad it can get when she's captured by a barbaric group of men, The Trolls, and ransomed for more than The Hold is willing afford to pay. Will she survive?