After the first Pandemic, the only safe place from the infected is behind walls. Only a few brave souls risk going beyond them to trade for their city's survival: the Runners. ***** Hundreds of miles across the wastelands of the Wandering, in the stone-walled city of Bardeen, resources and food are plentiful. But when disaster strikes, all of the walled cities face starvation. Rook's team of Runners must risk the longest journey yet to the city of Lux, which no one has heard from in over a decade. Within Lux's enormous domed walls, technology may have survived. Technology that could save them all. If they can survive the tens of thousands of infected in their path to get there.