Set the titular time after the virus that decimated England, Boyle shot his film on iPhones, included more prosthetic penises than seems reasonable, and even embedded a Brexit commentary in his action flick. At its core, it's a traditional coming-of-age action narrative about a young man who discovers that not only is the world unsafe but that adults in it will betray you, but it's also just a visually stunning piece of work, a movie that looks like nothing else that played in a multiplex this year.
We had this thing about, No, they're not zombies. They're infected. We wanted them to behave in a different way physically, but they also weren't undead. They could die and they will die, but so will you if they catch you.