It's been 7 years since the world as we know it ended. Ali has spent the years wandering the wastelands as a messenger, but when her ex girlfriend finds herself in trouble, Ali can't do anything but help, no matter the cost. The two will try to rebuild a relationship while coming up against betrayal, family, the undead, and Ali's murderous husband, who will stop at nothing to get Keri back, and destroy Ali - and maybe even the world - in the process.

Ever since she was a child, Charlie has been chasing the memory of a strange boy she once saw in the forest. When she finally meets him again, he will pull her into a world of mystery, danger and wolves.