The Doctor and Romana go from the countryside of present day England to a deep-space cruiser trapped in hyperspace in their attempt to track down an alien criminal, and unravel the mystery of the Stones of Blood.

Luckily they have the help of the faithful K9 ...

The Doctor and Romana and K9 continue their search for the six disguised segments that make up the powerful Key to Time.

The TARDIS lands on Earth close to the Nine Travellers, an ancient stone circle. Professor Amelia Rumford and her associate Vivien Fay, who are studying the stones, explain that whenever the circle has been surveyed, the number of stones has changed. Also interested in the circle are a group of druids - dedicated followers of the Cailleach, the Celtic goddess of war, death and magic - who are prepared to perform human sacrifice to satisfy her demands for blood.

The Doctor soon learns that there is more to the Nine Travellers, the Cailleach and the druids than meets the eye. How can the stones apparently move around the countryside? And why has the area around the circle always been owned by a woman?

After Romana discovers the true identity of the evil Cailleach, the Doctor finds that he must travel into hyperspace to solve the mystery of the Nine Travellers and save his companion from the blood-hungry alien life-forms known as the Ogri...

Running Time: 96 mins approx

Original transmission date: 28th October to 18th November 1978
Produced by Graham Williams
Directed by Darrol Blake
 

US Cover