A filmmaker sets out to make a voyage of discovery on London's orbital motorway, the M25. He enlists the help of several others to film the motorway from several points, drive endlessly around it and dig up stories and potential beauty behind the motorway.

A film essay on Ballard's fiction, and its unrealised cinematic potential, with particular reference to David Cronenberg's (yet to be filmed) Crash, featuring an interview with the director, prior to making of his film.