Given the question: Build a movie plot around this: What has been declared in London? martial law
The answer is:
It's August 9, 1985 in the year of Halley's Comet. The space shuttle Churchill, on a joint British-American mission, approaches the comet. While investigating, the crew finds a 150-mile long alien spaceship hidden in the tail of the comet. Upon entering the alien spacecraft, the crew finds hundreds of dead and shrivelled bat-like creatures and three naked humanoid bodies (two male and one female) in suspended animation within glass coffin-like containers. The crew recovers the three aliens and begins the return trip to Earth.During the return journey, Mission Control loses contact with the shuttle as it nears Earth and a rescue mission is sent to find out what happened on board. The rescuers find the Churchill completely gutted by fire, except for the three suspended animation cases bearing the aliens. All three are taken to European Space Research Centre in London where they are watched over by Dr. Leonard Bukovsky (Michael Gothard) and Dr. Hans Fallada (Frank Finlay). Prior to an autopsy taking place, the naked female 'vampire' (Mathilda May) awakens and sucks the lifeforce out of a guard. She then escapes the research facility and begins robbing various humans of their life force and moving through various host bodies. The two humanoid men wake up and attack the guards, who open fire on them with their assault rifles and are blown to pieces (so it seems). It transpires that the aliens are a race of space vampires that consume the life force energy from living beings instead of blood.Meanwhile, in Texas, an escape pod from the shuttle Churchill is found with Colonel Tom Carlsen (Steve Railsback) still alive. He is flown to London and tells how the crew were drained of their life forces. To save Earth from this fate, Carlsen set fire to the shuttle and escaped in the pod. During hypnosis it is clear Carlsen has a psychic link to the female alien. Carlsen and Col. Colin Caine (Peter Firth), a member of the SAS, trace the alien to the body of a nurse at a hospital for the mentally disturbed in Yorkshire. They...