Zena Fuentes has been alone ever since her family was murdered when she was thirteen. Armed and deadly, she is a Hunter who hunts Horde, the malevolent creatures that plague the earth and cause nothing but death and destruction. The same creatures who took her family from her all those years ago and lead her down a path she may never escape. When Zena is asked to kill one of the most powerful Horde leaders in the world, she embarks on a dangerous mission in the hopes of saving lives and seeking revenge. But when old enemies from her past resurface and long-buried secrets come to light, Zena becomes entangled in a much bigger fight than she initially anticipated. She isn't the only one out for blood, and she must work to stop those who are bent on destruction, even if she gets destroyed in the process.