a father and son travel around the world make a film about other father and son that they find along the way . the interview illustrate the dynamic of the relationship between father and son and be often touching and enlighten . there be some sentiment and tenderness in this film so not every person ( especially male ) may be comfortable with all of it but it doesn not venture into the arena of be a coerced trip down saccharine ( artificial sweetener ) lane . accord to the filmmaker ( on the commentary track of the dvd ) they do not coach the people in the documentary to say anything specific about their father or son . most father and son just seem to want to use their interview a a vehicle for express thing they be not normally permit to say or express . a lot of the power of this movie come from the sense of personal meaning that these father and son bring to each other and that be allow to watch .