John 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...