S1E5: Episode 5

Inspector Anton Sullivan is left baffled by the strange behaviour of a motorist who fails to stop, while officer David Reed races to deliver life-saving equipment to a motorist with a suspected heart attack. A motorway collision has left two people stranded in the outside lane, but Niaz Waddington is struggling to get to them and there is a danger there could be another crash if he doesn't quickly secure the scene.