Courier Six was beginning to fall into inaction after the Second Battle for Hoover Damn, but when a tech retrieval job goes wrong, he is forced to act in order to survive this strange new world he finds himself in and maybe even help it through its own war. Because war...war never changes...

After a routine op investigating a mysterious arch goes awry, MTF member Isaac Steele is left to fend for himself in an unknown world teeming with dangerous monsters that want to tear him limb from limb...or so he thinks.