Haven Janero has a bright future of becoming a FBI agent when a widespread infection sweeps across the nation, reanimating victims into walking corpses with an insatiable hunger for human flesh. Her dreams crushed and her world forever changed, she struggles to keep her loved ones safe and come up with a plan of long-term survival. Colin MacConnell, a kilt-wearing, bagpipes-playing, sword-wielding Scotsman, is visiting his father in the States, but soon realizes he may never see his homeland again when borders close and travel becomes impossible. As society around them crumbles and lawlessness and chaos take over, they must fight hordes of ravenous zombies… and a dangerous enemy from the past who is hell-bent on seeking twisted vengeance.