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...
Commander Traynor turns to face Devereaux and Frazer only to discover he is now alone in the monitoring room. He walks across to the door, which he finds is locked. A hissing sound fills the room and Traynor glances upwards to see a nozzle pouring out a thick cloudy vapour. He begins to choke as the gas reaches him.
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.