Leopold Bloom and Stephen Dedalus navigate the streets of Dublin over the course of a single day, 16 June 1904, as their paths intersect in a complex web of urban experience. The narrative follows these two men as they pursue their respective objectives—Bloom seeking connection and distraction, and Dedalus grappling with intellectual and familial burdens. The world is defined by the dense, sensory reality of early twentieth-century Dublin, rendered through a shifting narrative framework that abandons traditional linear progression. The characters face internal psychological constraints and external societal pressures, with the text constantly challenging the reader's perception of time and consciousness.

Discussion often centers on the technical complexity of the prose and the innovative use of stream of consciousness to capture the human experience. Readers frequently highlight the challenge of the shifting narrative styles, which require significant attention to navigate the dense layers of meaning. Critics often examine the parallels between the characters and the figures of Greek mythology, noting how these connections ground the experimental form. The work remains a central point of study for its influence on the development of the modern novel and its rigorous exploration of urban life. Readers often find that the text rewards repeated engagement, as new details emerge with each reading of the intricate narrative structure.