The narrative follows the turbulent life of Roderick Random, a young man navigating the social and physical perils of 18th-century Britain and the high seas. Driven by a desire for fortune and status, the protagonist encounters a series of exploitative figures and institutional corruption that force him into constant movement. The story utilizes a first-person perspective to detail his experiences as a surgeon's apprentice, a naval recruit, and a traveler. These encounters serve as a framework for the author to critique the moral failings of the era's social hierarchy and professional systems.

Readers and critics often identify this work as a foundational example of the picaresque novel, noting its influence on the development of the English comic novel. Discussion frequently centers on the protagonist's lack of traditional moral heroism, which allows for a more biting and realistic portrayal of societal corruption. Critics highlight the balance between the fast-paced, often chaotic action and the author's intent to expose the cruelty inherent in contemporary institutions. The atmosphere is frequently described as gritty and cynical, reflecting the harsh realities of the period rather than idealized romanticism. Readers often appreciate the work for its historical insight into the 18th-century naval experience and its sharp, observational wit.