Holsworthy Mark Show

Tracking the third segment of the Key to Time, the Fourth Doctor, Romana, and K9 arrive in modern-day Cornwall. They meet Professor Emilia Rumford and her friend Vivien Fay, studying the "Nine Travellers"--standing stones in Boscombe Moor. Their work is disrupted by a Druidic sect that worships the Cailleach, the Druidic goddess of war and magic, led by de Vries. De Vries and the sect are hostile to the newcomers, but the Doctor later finds the sect killed by mobile stones similar to those of the Nine Travellers and determines the stones must be alien beings that feed on blood. He and Emilia find evidence that suggests Vivien is older than she looks. Meanwhile, Romana catches Vivien awakening more stones with blood, and Vivien uses a device to send her to a spacecraft in hyperspace. When the Doctor and Emilia arrive, Vivien tells them that Romana will be safe before disappearing herself. The Doctor recognises the stones as Ogri, a life form from the planet Ogros. The Doctor constructs a projector t