The beginning of Bones and All is genuinely the stuff of nightmares and could easily stand alone as a short, tapping into the American tradition of the urban myth while at the same time laying down a deceptively sophisticated narrative. The rest of Luca Guadagnino’s latest doesn’t quite maintain this level of mastery and tension, which is in some ways a blessing, but that’s possibly because Bones and All isn’t really a horror movie. After the shocking opening salvo, the film sheds its genre skin to become an almost anthropological study of outsiderdom, using the false dawn of the American 1980s as a sort of petri dish for a new kind of conformity that has led us where we are today.