Fleeing a zombie outbreak, a Substitute Teacher drives his high school class into a designated refuge, which unfortunately is an old, abandoned prison. Worse yet, the city barely stocked it with food and weapons.Luckily for the kids though, their Substitute is Henry Lovecraft, an undercover government agent, who had been told this would be a simple job. Go into town for the day and make sure that the school was ready for an outbreak. Easy, right?Now,...