The blue crystal that the Doctor took from Metebelis III in a previous adventure is desperately sought by the Eight Legs, a race of mutated spiders, as the final element in their plan for universal domination. With help from an old mentor, the Doctor realises the only way to foil the plot is to make the ultimate sacrifice. The Doctor must risk death to return to the cave of the Great One and save the universe.
A successful London ad-exec hires a beautiful Hungarian girl to pose for some modeling shots, little realising that she has overheard an assassination plot and is now being hunted by some dangerous killers.
An officer's wife has a romantic dream about her husband's man (servant) and comes to believe it is true. Meanwhile the husband has asked his servant to help him, after the war, to suggest ways to ignite the romance he and his wife had before the war, as well as find a way to make money in a post-war economy.
