Earth faces imminent destruction. Nemesis, a comet containing a statue composed of validium (living metal) is due to strike, needing only its bow and arrow to achieve critical mass and become active. Four converging parties know of its power: The Doctor, Nazis assault troops from South America, a 17h century noblewoman steeped in the black arts (in whose image the Nemesis statue was fashioned), and discreet but lethal extra-terrestrials.
Did You Know?
When the Doctor and Ace fall into the river, it is obviously a stunt double and not actually Sylvester McCoy; aside from the careful camera angles only showing him from the back, the stunt double moves very differently and is at least half a head taller! See more
How can a statue destroy the world?
The Seventh Doctor
I'll tell you, three hundred and fifty years ago.
Referenced in Industrial Action