When meteors in a curious V-formation crash on a Cornwall field, an alien force possesses several scientists and infects bystanders with a deadly disease. Shielded from the meteor's influence by a metal plate in his head, Dr Curtis Temple discovers that an alien race on the moon seeks to use the manipulated geniuses for seemingly nefarious purposes. But, as he learns more about the invaders, they may not be as evil as initially thought.
Arthur Payne, recently out of prison, meets a stranger, Theo Gaunt, on a train and explains his situation. A few days later another stranger makes a curious proposition. Arthur should participate in a fake robbery and remove some imitation jewellery from the stranger's own safe.
In the year 4000, the Daleks conspire to conquer the Solar System. Their scheme involves treachery at the highest levels and a weapon capable of destroying the very fabric of time. Only the Doctor and his friends can prevent catastrophe — and there is no guarantee they will escape with their lives...
Professional killer Kersten arrives in England and is hired by Donald Edwards to murder his wife Helene. But Helene's lover Robert Vaughan discovers the plot and he trails Kersten and Edwards to a country cottage.