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One of the first Argentinian films to receive a widespread American release, Dark River was produced and directed by Hugo Del Carril, who also plays the leading role. The film details the misadventures of a group of itinerant Argentinian workers, employed by a plantation in Paraguay. Well, "employed" is too genteel a term: "enslaved" would be more like it. After enduring the ceaseless torments and oppressions doled out by their boss, the workers, led by Del Carril, organize into a union and turn the tables. After a bloody denoument, Del Carril and the lovely Adriana Benetti are among the few left standing.