Arriving amidst a mysterious lightning storm, young Internet entrepreneurs Sean and Ben land in the vibrant Russian capital to pursue their business dreams. Travelers Natalie and Anne, stranded in Moscow by an unscheduled stopover en route to Nepal, make the best of it by seeking adventure in one of the nightlife capitals of the world. The two pairs of best friends meet amid the glitz and glamor of the Zvezda Nightclub, a hot spot in Moscow, but the club is quickly transformed to a scene of terror when aliens invade and everything goes dark.