from korea to poland with sweat, which boasts an outstanding central performance by magdalena kolesnikinstructor and social media star sylvia. in public, sylvia is an insta icon, an influencer beloved by her fans, but in private it's a different story, with sylvia's sense of rejection bolstered by everything from the disapproving coldness of her mother to the sinister attentions of a stalker. the only really intimate relationship sylvia seems to share is with her phone, posting personal messages to the virtual world. yet even here the cracks are starting to show, with on—camera tears merely increasing sylvia's celebrity, ironically adding to her state of isolation. written and directed with propulsive energy by swedish film—maker magnus von horn, sweat paints a compelling portrait of a modern malaise. crucially, sylvia remains in ambiguous figure throughout — her apparent narcissism counterbalanced by a subtle sympathy for her predicament, with kolesnik and von horn leaving it up to the audience to decide how and whether tojudge her — a very impressive balancing act. sweat is in cinema