After Zane Ziminski is found dead five people received envelopes with details of an alien invasion. This group of five includes 3 scientists, Zane's brother Jack, and a reporter. Quickly, the group is down to three and then Jack and Bridget, the reporter. With a small piece of alien technology, they must escape from the aliens, who take human form, and try to convince others that aliens exist.

In the vestibule of one of the train cars Moscow-Dushanbe found the corpse of the passenger. Two random travelers - police officers Denisov and Kurbanov - have to conduct their investigation in very difficult conditions...