Vita, an employee of a private spy agency, is handed a case of tapping into and listening to the mysterious life of a new "client". By day, her work on the case seems all the more routine; by night she's involved in a steamy and passionate affair. Sooner rather than later however, Vita realizes that the man with whom she is having an affair with, is the same man she's been spying on for the agency. From this point on nothing is what it seems, as Vita becomes entangled into a deadly game of cat and mouse.

The film is set in the 50s in a town located on the 101st kilometer from Moscow, where in Soviet times were sent from the capital of the unreliable — political and criminal. The hero of the picture Lenka gets into the company of criminals. Local leader Kostya Konovalov offers him to participate in robberies. On the other hand, people from the police and the state security service persuade Lenka to write denunciations…