History teacher Nikolay Echevin on his sixtieth birthday receives an anonymous letter in which he is called the "center of public infection" and threatened with murder.

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Main Cast: Innokentiy Smoktunovskiy, Vladimir Ilin, Ion Ungureanu, Olga Kabo, Sergey Garmash, Raisa Kurkina, Fyodor Stukov, Konstantin Karetnikov, Aleksey Vesyolkin, Irina Feofanova

Director: Vadim Derbenyov

Writer: Vladimir Tendryakov

Editor:

Cinematographer: Oleg Martynov

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