Jim Hilton, a nineteen-year-old subaltern, enters the brutal reality of the First World War in Flanders, where he must navigate the transition from youth to hardened veteran amidst the carnage of the Ypres Salient and the Somme. As he faces the physical and psychological toll of trench warfare, Hilton attempts to maintain his humanity and personal identity while serving as a Major. The narrative follows his development through two years of conflict, contrasting the horrors of the front lines with the frantic, fleeting moments of civilian life in London. The story examines the dual pressures of survival in battle and the search for meaning in love, framed through the perspective of a protagonist who matures rapidly under the weight of constant loss.

This novel draws heavily upon the author's own experiences as a survivor of the First World War, lending the narrative a stark and unvarnished quality. The prose focuses on the mechanical and emotional exhaustion of the soldiers, avoiding romanticized depictions of the conflict in favor of a grim accounting of the human cost. Readers likely find the juxtaposition of the front-line carnage with the desperate social atmosphere of London to be a central element of the book's structure. The work serves as a somber reflection on the lost generation, emphasizing the relentless pressures that war exerted on both the individuals fighting and the society that sent them to the trenches.