A loyal guard dog finds himself adrift in a world that no longer requires his services after the closure of the prison camp he once protected. Ruslan, a dog conditioned for absolute obedience and aggression toward prisoners, struggles to comprehend the shifting reality of the post-Stalinist era. His objective is to find a new master and purpose, yet his ingrained training makes him a dangerous anomaly in a society transitioning away from the terror of the camps. The narrative framework utilizes a third-person perspective that shifts between the dog's internal logic and the external observations of the humans he encounters, highlighting the absurdity of his unwavering devotion to a defunct system.

Readers and critics frequently identify this work as a potent allegory for the psychological damage inflicted by totalitarian regimes on both humans and animals. Discussion often centers on the unsettling nature of Ruslan's perspective, which forces the reader to confront the logic of a system that rewards blind obedience. Many highlight the author's ability to maintain a detached, clinical tone while depicting scenes of extreme violence and societal decay. The pacing is noted for its deliberate, often somber progression that mirrors the dog's own confusion as his world dissolves. Ultimately, the book is recognized for its contribution to the literature of the Soviet Thaw, providing a unique vantage point on the legacy of the Gulag system.