Klava Ivanova
Pyotr Spirin
«Glukhar»
Alyosha Trifonov
Tamara
Chief Engineer
Orderly
Nefyodych
Machine-Operator
Foreman
Ensign
Klava Ivanova and Pyotr Spirin work in the same railroad depot. They have a strange relationship. Clava, who tenderly and devotedly loves the frivolous Pyotr, one day decides to break up with him.