The movie talks of an invasion of a planet that turns so brutal, that it threatens the very existence of human race and leaves a life as slaves of these extra-terrestrial creatures as the only other option to survive. The plot sheds a lot of light on the integrity, determination and the lack of fear in human beings to resist these creatures from taking over our planet or trying to enslave us for the rest of our lives. It revolves around five tourists, who come across a sudden alien invasion on their trip to Moscow. The circumstances around them turn grave enough, leaving them with no option but to face these extra-terrestrial beasts and weaken their defense mechanisms. The Darkest Hour download unfolds the treacherous path that the group of surviving tourists treads onto, and gets us close to the dangers that wait to engulf them as they proceed to destroy the primary defense mechanism of these aliens. The attack on the human race brought our entire existence under a huge cloud of darkness that could devour us forever. Apart from that, the attack had the very first impacts on the power supply stations in the city that leads to one of the longest blackouts that the region and its inhabitants had ever experienced. Watch The Darkest Hour online to experience mankind struggling to minimize the destruction brought in by these creatures from the outer space, and its putting up a fight strong enough to dump these aliens off this planet, forever.