Zero hypothesis. Pechersky A.

The country did not have time to move away from the shock after the tragic death of the Dyatlovites, as in the mountains of Altai, under the same mysterious circumstances, the expedition of Professor Teternikov dies. They find out that for some reason two KGB officers were introduced into it. After 50 years, a group of American scientists in Chilean cordillera in Chilean. The cause of death is unclear, the eyes of the victims are disfigured. The attack of fugitive convicts? Aliens? Disaster? Testing secret weapons?

The investigation is entrusted with the FSB Major Natalya Rostova - a she -wolf in sheep's skin, a specialist with unique deductive abilities.