In this hilarious adventure, Ralph Cribbens wants nothing more than a quiet life, sitting in his bedroom reading his comics. But when his feckless parents accidentally adopt a zombie, Ralph, together with his best friend and local genius, Sunny Brightwell, looks for proof that his new brother Luca is having the local pets for lunch. As they investigate Luca, their village becomes the centre of a zombie outbreak, and Ralph must find the courage to stop the shambling undead before the zombies take over the town.