A metaphor with mechanical overtones, an unbroken chain of three situations, divergent and yet connected by a single element: pulsating, living steel. A family car with a mom and her kid, a furious truck, flying cars. An endless lullaby of engines.

After a parasite has contaminated all of Dakar's drinking water supply, a private pharmaceutical company develops pills to neutralize it. Meanwhile, a poor young man can no longer afford his pills. As the days pass without his treatment, he realizes that he had never been so lucid before.