Russian counterintelligence receives information about a strange organization, “Aqua Mater,” operating in a remote, hard-to-reach part of the country. In public, its members preach unity with nature and practice “collective healing.” But Colonel of the FSB Andrey Levashov suspects something else: the leader of the community may be involved in an underground trade in human organs. Too often, newly converted people disappear without a trace shortly after joining.
To confirm or refute his suspicions, Levashov decides to infiltrate “Aqua Mater” with a psychologist agent, Sergey Somov. Sergey agrees to the risky mission, but he doesn’t yet know what truly horrifying power he will have to face in the distant wilderness…