[Docsbarna] 43 students disappear in a small Mexican town. Years later, the government presents a "historical truth" that families don't believe. "Vivos se los llevaron, vivos los queremos." Ai Weiwei and his team of filmmakers create a chronicle of mournfulness. The portrait of the families is more attractive than the political context. Because Wewei doesn't go too deep, despite the unnecessary almost two hours.