The story of a military border patrol dog and handler.

Volkhov Front in 1942. The young political instructor of the counter-propaganda department of the headquarters of the division Rusanov is torn to the forefront. Together with an experienced warrior — captain Shaternikov — the hero gets to the forefront and transmits from the sound transmission programs addressed to German soldiers. And in the hours of calm passes several kilometers in order to see Katya, the signal woman of a neighboring sector of the front.