Intent on seeing the Cahulawassee River before it's dammed and turned into a lake, outdoor fanatic Lewis Medlock takes his friends on a canoeing trip they'll never forget into the dangerous American back-country.
The film takes us from the mouth to the source of the second largest river basin in the world, that of the Congo River. All along its 4371 km, we discover places that have seen the turbulent history of this country
In WWI East Africa, a gin-swilling Canadian riverboat captain is persuaded by a strait-laced English missionary to undertake a trip up a treacherous river and use his boat to attack a German gunship.