A disastrous evening has taken a turn for the worse—it’s the apocalypse! A catastrophic event has unleashed the undead, who are now prowling the streets and consuming anyone in their path. A mix of soldiers, civilians, and teenagers have sought refuge in a nearby school to escape the zombie onslaught, but no help is on the horizon. Supplies are dwindling, spirits are even lower, and the situation is dire when an unfamiliar figure appears at the gate. And then, everything deteriorates further.