Anna Shepherd is a straight-A student with a lot going on under the surface: she's struggling with her mom's death, total friend drama, and the fall out from wasting her time on a very attractive boy. She's looking forward to skipping town after graduation — but then a zombie apocalypse majorly disrupts the holiday season. It's going to be very hard to graduate from high school without a brain. To save the day, Anna, her friends, and her frenemies, will have to journey straight to the heart of one of the most dangerous places ever known, a place famous for its horror, terror and pain...high school.