In the midst of looking for sanctuary in the badlands, Sonny and his friends make it to Fort Gold Rush. A militarized city providing protection from the zombies and predators beyond its walls.
However, the military leaders recognize the city’s safety as a sanctuary is only temporary unless they train the next generation of defenders. It’s there that Sonny is introduced to Grim, an unlikely anti-hero who becomes the singularly most important influence in Sonny’s life.