S01E01 The Wrong End of Time - Pt 1
The year is 1970. A young girl called Sarah is walking along the boundary of a disused naval base in St. Oswald beyond a sign which clearly says "Ministry of Defence. Keep Out" She stops...
n the computer room, Alpha 4 is still watching the record tape. Commander Traynor apparently betrayed the Master Plan by holding up the progress of the diversion of the northern British rivers. Before the tape can conclude, Simon who is still listening from the secret room accidentally causes the door to open alerting Alpha 4 to his presence. Alpha 14 goes in to investigate and sees Simon. Simon shines his torch in 14's face. 14 staggers and collapses. Breathless, Simon escapes from the secret room.
Simon Randall and Liz Skinner discover the existence of a strange anomaly, known as the “Time Barrier”, that enables them to travel in time to different historical periods in alternate pasts and futures.