The plot is based on the defense of Petrograd from Yudenich's troops in 1919.
| Release Date | November 1, 1970 | |
|---|---|---|
| Status | Released | |
| Original Title | Угол падения | |
| Runtime | — | |
| Budget | — | |
| Revenue | — | |
| Language | Russian | |
| Original Language | Russian | |
| Production Countries | Soviet Union | |
| Production Companies | Lenfilm | |