The narrative centers on the intersection of two disparate lives, Gwendolen Harleth and Daniel Deronda, as they navigate the rigid social expectations of Victorian England. Gwendolen, a beautiful but spoiled young woman, seeks to secure her social standing through a marriage of convenience, only to find herself trapped in a stifling and morally compromised union. Meanwhile, Daniel Deronda, a man of uncertain parentage, searches for his true identity and purpose, eventually becoming drawn into the complexities of Jewish history and identity. The novel utilizes a dual-narrative structure to contrast the superficiality of high society with the profound weight of personal heritage and moral responsibility. The world is defined by the strict class hierarchies and gender constraints of the nineteenth century, which serve as the primary obstacles for both protagonists.

Readers frequently highlight the novel's ambitious scope and its departure from the author's earlier, more provincial settings. Discussion often centers on the stark contrast between the Gwendolen sections, which are praised for their psychological acuity, and the Deronda sections, which some find more didactic in their focus on cultural identity. Critics often note the author's ability to balance individual character development with broad social critique. The pacing is described as deliberate, requiring patience from the reader to fully appreciate the thematic depth. Many consider this work a significant achievement in the exploration of moral complexity and the search for personal meaning within a restrictive society.