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During the celebration of the dean's anniversary, mathematician Olga Barkovskaya finds the culprit of the celebration murdered. Next to the body is a card from an unknown game, very similar to the one that was thrown to Olga the day before. It seems that Barkovskaya is being invited again to solve a mathematical puzzle, and a human life is at stake.
DIRECTOR
CAST
![](https://image.tmdb.org/t/p/w92/tKZ6OshyTEOEdZW4PoCd7MK9cMQ.jpg)
Alena Kolomina
Ольга Барковская
![](https://image.tmdb.org/t/p/w92/eMh8qJnbXEixM4ein0dCTYR881s.jpg)
Dmitriy Pchela
Георгий Иванов
![](https://image.tmdb.org/t/p/w92/zFycnE5kseeIcMhuT7oTnZxGE4D.jpg)
Elena Valyushkina
Светлана Васильевна Карташова
Наташа Васильева
Кира
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