Accompany Claire Lionheart-the newest addition of the decaying paramilitary company known as Cerberus-in her quest to exterminate the specters, demonic creatures awakened by the harbinger of human extinction. Under the command of a newly established CEO, Claire will face many threats in order to bring peace to the world and reclaim the life that was taken from her. Can the company's new CEO save it from disbandment, and the world from sinking into chaos? Will Claire prove a useful asset in the war against demons, hybrids and gods as a mere human?