The Calabrian 'ndrangheta holds control of public works and is behind an inexorable chain of murders and retaliations. A Milanese engineer in his sports car is tragically involved in these events.
El ingeniero Pietro de Milano es enviado a Calabria para supervisar la construcción de un tramo de autopista. Pronto se enreda en una red de corrupción y se interpone entre dos frentes de pandillas de la mafia que luchan por los lucrativo...