Before you read on, a word of caution. There are some films – many of them – that impress on a first viewing but which start to trickle away, like a handful of sand, the moment you leave the cinema. Then there are others, far fewer in number, that strike like a lightning bolt on a first watch and stay with you, scarring themselves into your psyche and subtly but permanently shifting your movie-viewing paradigm on its axis. Jonathan Glazer’s masterful and chilling The Zone of Interest fell into the second group for me. I left it shaken and stricken;...