Launched into space 350 years ago, a meteor is returning to Earth — and inside it waits Nemesis, a silver statue made of the living metal validium, the most dangerous substance in the Universe.
Evil powers await the statue's return: the neo-Nazi de Flores and his stormtroopers; Lady Peinforte, who saw Nemesis exiled in 1638 and has propelled herself forward in time; and the advance party of a Cyberman invasion force.
And in the garden of a Windsor pub, the Doctor and Ace are enjoying the timeless sounds of a jazz quartet...
