Rent The Alien Conspiracy: Grey Skies (2003)

Earth continuing battle between two alien invading species, the Greys and the Morphs, with mankind caught in the middle. The Morphs, who want to preserve the planet, have their mysterious goal while the Greys are blatant in wanting nuclear destruction for all. Here are the stories of several individuals caught in their paths...a once-secret operative seeking employment in New York City, a young man who returns to his home town to find it utterly abandoned...and a special appearance by the Grim Reaper himself, which may not be at all what it seems...