There's a moment early in One in a Million that most refugee documentaries would cut. Nisreen, a Syrian mother of four, is hiking across the Balkans in the rain and she's ecstatic — laughing, arms wide, calling it the best holiday of her life. For a woman who'd been shunted into an arranged marriage and never left Syria until the civil war forced her out of Aleppo, the crossing isn't misery. It's the first time she's been outside. Directors Itab Azzam and Jack MacInnes have the sense to leave it in, and that instinct — to follow what's actually happening rather than what fits the frame — defines everything that follows. The film spans ten years, from 2015 to 2025, and its spine is Israa, Nisreen's eldest daughter, who we meet at eleven in the Turkish city of Izmir, a cheerful street vendor waiting to cross the Aegean. The family solidarity that carries her through the journey is real and visible, but Azzam and MacInnes are interested in what happens to that solidarity under the sustained pressure of resettlement. The answer is: it fractures, reforms, fractures again, and eventually becomes something unrecognizable from either end. In Cologne, a few years on, Israa is a Justin Bieber-obsessed teenager who talks about democracy like someone who just discovered it works. She has a secret boyfriend. Her father Tarek — once a respected shawarma chef, now a man whose status has evaporated — approves of change 'with limits,' and the distance between his limits and his family's new reality becomes the documentary's central fault line. When he stops Israa and Nisreen from applying makeup on camera during Nisreen's birthday, it's a small gesture with enormous weight. Nisreen eventually kicks him out. Israa is distraught. None of this is presented as a verdict on anyone. That refusal to render verdicts is what elevates the film above the usual documentary binary — refugees as threat or as victims — and into something genuinely uncomfortable and necessary. The neglected flip side of the immigration debate is not what immigrants do to host cultures but what the process of migration does to the immigrants themselves, to family structures built in one context and then stressed-tested in another. Tarek's admission, in his own moment of truth, that he made his family pay for his loss of status is the kind of honesty that takes a decade of patient filmmaking to earn. Israa's arc closes in a kind of Ithacan return: through her husband she finds a rapprochement with her Syrian and Muslim identity, and she eventually goes back to Aleppo. The word 'Ithacan' is the right one here — she goes back changed, to a place that's also changed, and the film doesn't pretend the homecoming resolves anything cleanly. Her line from the film's opening hangs over everything: 'War is not as hard as what comes after.' Azzam and MacInnes have spent ten years filming what comes after, and they've done it with the patience and precision that the subject demands. The one legitimate frustration the Guardian review flags — that you wish there were another hour — is accurate and also a sign the film is working. A decade compressed into feature length means some transitions feel abrupt and some threads are thinner than you want. But the film's commitment to letting the material accumulate rather than forcing it into argument is exactly the right call. This is not a film about immigration policy. It's a film about what it costs people to become someone new.