Dedicated police squads go after violent criminals who are targeting vulnerable lorry drivers and their valuable loads, while investigators identify stolen caravans which have been sold to unsuspecting people who love life on the open road. PC Angus Nairn, a former truck driver goes after truckers who falsify their spies-in-the-cab and shopkeepers in London face attack from two-wheeled terrors with powerful motorbikes and sledgehammers. One gang is caught on CCTV as they smash their way into a Knightsbridge jeweller and steal more than a million pounds in 39 seconds.