Doctor Who Remembrace of the daleks (4)

London, 1963: The Doctor returns to the place where it all began — alongside his latest companion, Ace, with unfinished business. Not for the first time, unusual events are unfolding at Coal Hill School. At 76 Totter's Lane, the Doctor discovers that his oldest foes — the Daleks — are on the trail of stolen Time Lord technology that he left on Earth long ago. The Daleks are planning to perfect their own time-travel capability, in order to unleash themselves across the whole of time and space. The Doctor, with the help of the local military, must stop his oldest enemies from stealing Gallifreyan secrets, but the lines between allies and enemies are tested to the limit, and the Doctor and Ace must trust no-one in order to survive. As two opposing Dalek factions meet in an explosive confrontation, the fate of the whole cosmos hangs in the balance...