Focus isn’t dazzling, but it has a few fun moments, one of which is a masterclass in conning that Nicky gives Jess early on in the film. Smith moves with balletic smoothness as he delivers a variation of Robbins’s TED talk. It’s elegantly executed, but you know it’s a performance, aided by clever camerawork and a production crew that will make things appear as and when Smith needs them to do so.