Fresh from Sandhurst, Charles Thoroughgood faces the stark reality of military service during a four-month tour in the volatile streets of Northern Ireland. As a young officer in the Assault Commandos, Thoroughgood must navigate the psychological strain of patrolling Belfast and Armagh, where long stretches of monotony are abruptly shattered by sudden violence. The narrative follows his development as he attempts to maintain order while managing the unpredictable behavior of his men and the absurdity of army bureaucracy. Through a first-person perspective, the story captures the friction between the rigid expectations of military training and the chaotic, often surreal nature of the conflict on the ground.

This novel is widely recognized for its authentic portrayal of the British military experience during the Troubles in Northern Ireland. Critics and readers alike have noted the balance between the grim, often horrific nature of the conflict and the author's ability to inject humor into the absurdity of army life. The work is frequently cited for its ability to capture the specific atmosphere of the era without resorting to overly simplistic moralizing. By focusing on the individual soldier's perspective, the narrative provides a grounded look at the complexities of duty and survival in a fractured society.