Please answer the following question: Build a movie plot around this: What are the vampires unprotected against ? They are unprotected against sunlight and ultraviolet rays.
A:
This article's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. (November 2015) (Learn how and when to remove this template message)In 2009, a plague caused by an infected vampire bat has transformed most of the world's population into vampires and due to this event, control of the world no longer belongs to humans. The vampires are incapable of aging or dying from natural causes, but are unprotected against sunlight or any ultraviolet light. The entire vampire world is active at night, and various technological and architecture advances are made to adjust the populated areas to vampires' night cycle (such as UV protective cars, underground railways and paths across the cities, and UV warnings).However, human numbers quickly dwindle, and the need for blood becomes desperate. When deprived of blood for extended periods, vampires degenerate into "subsiders," psychotic bat-like creatures who lose their memories and independent thought and are left with the basic need for blood. Humans are captured and harvested in laboratory farms while scientists research a synthetic blood substitute to satisfy vampires' blood hunger across the world, while animal blood is also widely used.In 2019, Edward Dalton (Ethan Hawke) is the head hematologist for the pharmaceutical company Bromley Marks, the largest supplier of human blood in the United States. Along with fellow hematologist Christopher Caruso (Vince Colosimo), Dalton is in the process of developing a substitute to bolster dwindling blood supplies and to create a substance that can replace blood and be generated as required. The need is underscored after Dalton's boss, company owner Charles Bromley (Sam Neill), reveals that the estimated human population is down to 5%, and national blood supplies will not last more than a month. Faced with this knowledge, Edward and Chris carry out a hasty clinical trial of the latest revision on a volunteering soldier, which is a spectacularly...