We've had a lot of "road movies" ; now here's the first great police series that's a "rail movie": trains hurtling at top speed, and the great glasshouses of railway stations, where millions of commuters and tourists all throng... This is the romantic, international, dynamic world of our story of two women. First of all, there's Police Superintendent Marie Saint-Georges (Sophie Duez): a stunning beauty and an accomplished fighter, she runs her enquiries with a will of steel, and her team will follow her into any situation. Then there's trainee Superintendent Laurence Delage (Astrid Veillon), who has just been posted to the brigade at a crucial moment: Marie, just two days earlier, has disappeared. During the enquiry, Max (Oliver Marshall), Marie's closest working partner, breaks down when he finds that new girl Laurence has moved into Superintendent Saint-Georges's office. When Marie's body is found, life loses all meaning for him and he turns in his badge and gun. A page has been turned: this has been a painful way for Laurence to arrive on the job, but she wins over her team by dint of her intelligence and sincerity. And PLATFORM ONE continues at a furious pace, with every train departure or arrival bringing a new adventure. A 90-minute police series: all aboard!