How and why does a Texan family apparently accept that a dark-haired, 23-year-old French identity thief is their missing, blond, 16-year-old son?

In his account of good Kentucky boys gone inexplicably rogue, documentarian Bart Layton puts his reality-bitten experience to good use, cutting between the actual men the boys became and an ensemble of actors playing them as their misguided 2004 selves.