ReviewJohn Simm continues into a second thrilling series as Sam Tyler a driven and ambitious young detective determined to keep the streets of 21st Century Manchester safe. But after a near fatal car accident he has waken up dazed and confused in 1973. Has he gone back in time? Is he in a coma? Or has he simply gone insane? In an archaic CID unit he still must adapt to their old-fashioned technologies and etiquettes while working on some of the hardest cases in which he's ever been involved....