Whilst chasing a man, Gwen retrieves an unusual machine that allows the user to see back into the past. It is considered dangerous, and no members of Torchwood are permitted to use it. But Owen has other plans, and witnesses a violent murder that took place over forty years ago. Using the information he gathered, Owen starts to track down the still-living murderer.
Elenco: Eve Myles , John Barrowman , Naoko Mori , Gareth David-Lloyd , Bill Pullman , Bill Pullmann , Kai Owen , Alexa Havins , Burn Gorman , Lauren Ambrose , Mekhi Phifer .