Description: Humanity lives with the "Returnees" normal looking people who have been infected by a devastating virus. Only one daily injection prevents protein turn into zombies. Kate works in a research unit urgently trying to find definitive vaccine that prevents the epidemic from spreading. It also hides a powerful reason: his partner, Alex, is a "returnee". Chaos breaks out when the Government announces a shortage of Protein and paralyzing investigations, forcing all infected to enter a high-security military center. Fearing the worst, Kate and Alex decide not to follow orders and flee. Its countdown for survival has begun.