A surreal adaptation of Sir Thomas Malory's "Le Morte d'Arthur", chronicling Arthur Pendragon's conception, his rise to the throne, the search by his Knights of the Round Table for the Holy Grail, and ultimately his death.
A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition and British authorities attempt to capture a mysterious but beautiful alien woman who appears responsible.