In World War II, Stalin created a top secret nerve gas, which went missing shortly after the Battle of Stalingrad. Over seventy years later, the horrific biochemical weapon resurfaces in modern day Bulgaria, turning the local inhabitants into frenzied mutants and causing the dead to rise from the grave. Amidst the chaos, US Special Forces Captain John McGahey (Paul Logan) and NATO Doctor Ana Bennett (Manal El-Feitury) must escape the infected zone before the Code Red alert is raised and everything is destroyed. Now it's survival at all costs...