tommy be take from his family by an amazon tribe call the invisible one and father bill spend ten year search for him . after find a few lead and he have an encounter with a dangerous cannibal tribe call the fierce one and actually stumble on his son a he try to flee for his life . the dilemma of the piece come with a decision leave up to tommy and leave his tribe which be essentially his real family after ten year of living with them or join his father in the modern civilization across the river . the film be more a focus on how modernization and progress if you will and have begin to wipe out the tree and land of amazon tribe a they slowly die out . interest enough be that bill be a model example of this type of progress a he head a log dam which clear land once civilize by the fierce one tribe . he will spend time with the invisible one tribe and find the error of his way see that what he and others ( white man ) be do to people who have live here for century destroy culture . we also see how the ugliness of prostitution have become a stigma to tribes a the fierce one trade woman from the invisible one tribe for machine gun . use the machine gun and the fierced one have a clear advantage over the invisible one and their mere spear . again and through that we see how progress can also destroy a civilization . the fierce one can wipe out who they deem a threat and or or nuisance with advanced weaponry . when the invisible one lose a great deal of their men to those machine gun attack and tomme ( his name amongst his tribe ) will search for his father across the river for help to get back their woman who have be trade to a prostitution house . stun cinematography ( by philippe rousselot ) and score be highlight of this amazingly shot film set in the amazon . through boorman fluid camera work and we follow the character a they travel to destination in the immense forest and yet see what be happen a modernization be chop away the tree that once populate say amazon forest . i think the angle of the modern age clash with tribal custom in the form of tommy to be the strong point of the film while the progress part of the film a it pertain to the culture be wipe out lay on a bit too thick . i do not quite like the remain twenty minute ( the deal with the prostitution ring result in heavy violence and the whole rain ordeal a it destroy the dam ) as much a the first hour a power booth bill be amongst a culture of people he know nothing about . see his son almost completely tribal be interest not to mention the viewer get a glimpse into a unique culture of people and their way of living . the mythological aspect be also divert from the realism of the film ( if a wee bit silly ) . young charley boorman be quite impressive a tomme .