Dr. Rebecca "Becks" Truesdale managed to survive the first year of the zombie apocalypse, and then found safety with the Army at West Point. After living comfortably for several months, she volunteers for a mission to New Jersey which goes horribly wrong. Stranded, injured, and alone, Becks must fight huge herds of zombies and a band of hostile survivors, while combatting brutal winter weather and starvation.