Overview
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.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 34 | 38 | |
 | 37 | 41 | |
 | 58 | 62 | |
 | - | - | |
| - | - |