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.
| Release Date | January 1, 1988 | |
|---|---|---|
| Status | Released | |
| Original Title | Чёрный коридор | |
| Runtime | 1h 23min | |
| Budget | — | |
| Revenue | — | |
| Language | Russian | |
| Original Language | English | |
| Production Countries | Soviet Union | |
| Production Companies | ||