This experimental documentary film explores the unique personality and intellectual brilliance of Canadian media theorist Marshall McLuhan, including his uncanny predictions regarding the effects of communication technologies on culture and society.

The population of Jaguaribara, a small town in the interior of Ceará, northeastern Brazil, is forced to abandon their homeland. The river valley will be transformed into a huge dam that will bring water to the city of Fortaleza, the only metropolis in the state. The change will bring more losses than benefits, and only the memories of the old town will remain.