It’s the oldest, creakiest trope in the zombie-movie storybook: You know who’s scarier than decaying, flesh-eating monsters? The people they’re chasing! Every legendary entry in the genre, be it Night of the Living Dead or the never-ending Walking Dead franchise, has dug into this concept at some point. After all, it’s just as terrifying to imagine how the survivors of societal collapse might behave toward one another as it is to envision them beheading the undead. So it’s especially impressive