After a Russian bioweapon turns humans into half-dead killing machines, a group of highly trained Special Operators must defend a remote outpost in Far West Texas. While fighting off the infected, the group must also defend against a band of anarchist rebels who threaten to destroy the last remaining signs of civilization. In a race to preserve humanity only the strongest can survive.

Sarah, an abused 16-year-old girl, is sent to a ranch for abuse survivors, and she meets Dreamer, a horse which has also suffered abuse. Together, Sarah and Dreamer overcome terrifying obstacles to find redemption.