A dying sailor’s presence aboard the merchant ship Narcissus triggers a volatile power struggle that threatens the stability of the crew during a perilous voyage from Bombay to London. The protagonist, James Wait, is a terminally ill crew member whose condition forces the other sailors to confront their own mortality and moral obligations. Opposing him is Donkin, a manipulative agitator who exploits the crew's growing resentment and superstition to incite near-mutiny. The narrative framework utilizes a shifting perspective that moves between the collective consciousness of the crew and the detached observation of the narrator, emphasizing the isolation of life at sea.

Discussion often centers on Conrad's stylistic shift toward impressionism and his ability to render the sea as a living, unpredictable character. Readers frequently highlight the tension between the crew's professional solidarity and their individual moral failings when faced with the presence of a dying man. Critics often examine the complex power dynamics between the stoic captain, the manipulative Donkin, and the enigmatic Wait. The work is noted for its dense, atmospheric prose that captures the physical reality of a nineteenth-century merchant vessel. Many readers find the exploration of group psychology and the fragility of social order to be the most compelling aspects of the narrative.