Horace Rumpole, a veteran barrister of the Old Bailey, navigates the complexities of the British legal system while defending clients who are often guilty but always human. Operating within the rigid, often cynical framework of the London courts, Rumpole balances his professional obligations against his personal disdain for the establishment. He relies on his sharp wit, extensive knowledge of legal precedent, and a penchant for cheap cigars and claret to outmaneuver younger, more ambitious colleagues. The narrative framework utilizes a series of interconnected short stories, each presenting a distinct case that challenges Rumpole's moral compass and his endurance in a changing legal landscape.

Readers frequently highlight the distinct voice of Rumpole as the primary draw of the collection, noting his cynical yet principled approach to the law. Discussion often centers on the balance between the procedural legal drama and the character-driven humor that permeates each story. Critics observe that the pacing remains consistent across the entries, providing a steady rhythm that mirrors the repetitive nature of court life. The atmosphere is consistently described as authentic to the mid-20th-century British legal environment, grounding the wit in a tangible reality. Many readers appreciate how the stories manage to be both lighthearted in tone and serious in their examination of human fallibility.