UNIT is called in when an alien escape pod brings a woman to the Kent countryside. But while Callandra charms the Doctor and the other men of UNIT, Jo is less trusting. Are her suspicions well-founded or is there another green-eyed monster at work?
Olympos is a world of hi-tech cities, where the lives of the populace are controlled by an all-seeing supercomputer: Zeus. Seeing the inhabitants have been robbed of the simple pleasures, the Doctor sets out to bring real life back to the colony...