The old, well-fed, living world is dead. It died like a stray dog hit by a car. Humanity died in the furnace of the zombie apocalypse.
From the very beginning of the epidemic—an epidemic that turned the dead into bloodthirsty monsters—10 years have passed. There are noticeably fewer people on Earth, but the ones that remain are no less bloodthirsty and cunning than the reanimated dead.
Any resemblance to real people and nicknames is purely coincidental!