Exercise with Three Unknowns was released on December 13, 1979.

Exercise with Three Unknowns was directed by Boris Shadurskiy.

Exercise with Three Unknowns has a runtime of 2h 8m.

The criminal investigation department is investigating the robbery of a factory cashier. At the checkpoint factory of precision mechanics and optics, two criminals attack the cashier. The criminals manage to hide in a car, waiting for them around the corner. Criminal investigation officers Major Dorokhov and Lieutenant Matushkin arrive at the crime scene. They interview witnesses, but they did not really remember either the faces of the attackers or the number of the car, but they noticed that one prevented the other from shooting. There are almost no leads to find criminals. The only evidence that the police have when starting the investigation is the muskrat hat left at the crime scene.

The key characters in Exercise with Three Unknowns are Andrey Dorokhov - starshyy sledovatel ugolovnogo rozyska (Leonhard Merzin), Matushkin - leytenant militsii (Vladimir Gerasimov), Valentina Prilepskaya - sozhitelnitsa Kopylova (Olga Prokhorova).

Exercise with Three Unknowns is a Crime, Mystery, TV Movie film.

Exercise with Three Unknowns has an audience rating of 6.2 out of 10.