The best militant of the secret anti-corruption organization Antikor, Andrei Larin, receives the task of finding out what is happening in one of the Russian regions. The local governor, Radkov, started some strange fuss in the local nature reserve. The forest is pollinated from airplanes with an unknown chemical, supposedly against ticks, on which the drug, however, has no effect at all. And when one of the planes suddenly crashes in the forest under strange circumstances, the regional leadership rushes to hush up this incident... The Antikor management suspects that Radkov and his people are preparing some kind of large-scale action, extremely dangerous to the life and health of the local population. Larin gets down to business - and immediately almost loses his life...