Alone With the Night

The team of diesel locomotive builders is struggling to increase output. More efficient welding methods are needed, but all the efforts of Andrei Kostrov and his comrades to design a new welding machine are in vain. On this ground in the brigade disagreements arise. A group of skeptics persuades Andrei to abandon the fruitless search and go to work at the former site. Among the doubters is Kostrov's wife Taisia.

The film takes place on the territory of Ukraine. In the autumn of 1922, Volokh's gang committed another heinous crime. The investigation of the brutal murder of a rural teacher has been entrusted to district police officers led by Tikhon Globa.