Following a hazardous chemical leak that triggers a violent epidemic, transforming individuals into enraged cannibals, four individuals find refuge in a secluded forest cabin. They are forced to navigate the chaos outside, the unpredictability of their situation, and their own interpersonal dynamics. As the situation deteriorates, hope dwindles and resources become scarce, revealing the true nature of each person. The group must confront both the external threats and the inner demons that emerge.