Quartile rating: 7.5/10 · 1 rating
A shaman's family learn that their goddess is supposedly controlling one of them. However, their lives take a frightening turn when they realise the goddess has nothing to do with the possession.
The Medium is a Thai-Korean folk horror mockumentary that earns genuine distinction through its ethnographic authenticity and slow-burn dread. The documentary format is deployed with unusual conviction, grounding supernatural horror in real-seeming regional shamanic traditions of northeastern Thailand. The acting, particularly from Sawanee Utoomma as Nim, is remarkably naturalistic and sells the gradual possession arc with visceral credibility. The film's novelty is high — it fuses Korean horror sensibilities (Na Hong-jin produced) with authentic Thai folk religion in a way that feels genuinely singular rather than derivative. The plot is methodical and earns its chaos, though the first half's slow pacing can feel drawn out. The climax is overwhelming and committed but leans heavily on chaotic found-footage carnage that slightly undercuts the subtler dread built earlier, making the ending effective but somewhat conventional for the subgenre's final act.