Dave, a failed, selfish and irresponsible musician, falls under the spell of the teacher of his nephew, Miss Caroline. He volunteered to accompany the class on a field trip to a nearby farm. Not far away, a virus escapes from a military camp and an epidemic of Zombies proliferates. In the face of the invasion, Miss Caroline decides to present the terrible threat to children as an educational game, so as not to frighten them and protect their innocence. Dave sees his plans moving away and will have to face his responsibilities …