They say it only takes 72 hours. 3 days for the infection to pass through your blood and to your brain. All it takes is a single bite or scratch. Citizens of Beacon Hills and the rest of the world are becoming infected with a nasty virus. One that turns people into insatiable monsters and those not infected into killers. Scott, Stiles and their neighbor Allison must try and survive in the nightmare come alive, fighting for another day in the apocalypse. Each and every day is a prize earned by blood on their hands. But maybe they will find hope in one lone survivor? The one with the bite.