A young man kidnapped into a life of maritime crime finds himself navigating the brutal realities of piracy and survival across the high seas. Following his abduction as a child, the protagonist, Bob Singleton, matures into a hardened sailor and eventually a pirate captain. His primary objective is the acquisition of wealth and the avoidance of capture by international naval forces. The narrative is presented as a first-person memoir, detailing his movements across the Indian Ocean and the African continent. The world is defined by the harsh physical constraints of 18th-century seafaring and the constant threat of mutiny or execution.

Readers and critics often note the stark, journalistic prose style that characterizes Defoe’s approach to storytelling. Discussion frequently centers on the protagonist's lack of traditional heroic traits, as he is driven primarily by opportunism rather than moral conviction. The pacing is recognized for its episodic nature, which mirrors the unpredictable life of a sailor during the period. Many observers highlight the effectiveness of the descriptive passages regarding geography and survival, which ground the narrative in a tangible, albeit harsh, reality. The work is frequently studied for its contribution to the development of the English novel and its realistic portrayal of criminal life.