The Prelude establishes Dorothea as a latter-day Saint Theresa without an epic to inhabit. Dorothea meets and becomes fascinated by the scholar Casaubon, rebuffs Sir James Chettam, and accepts Casaubon's proposal. Meanwhile, Lydgate arrives in Middlemarch, meets the Vincy family, and begins his hospital reform project. Fred Vincy's debts create trouble for the Garths.

The Casaubon marriage deteriorates on their Rome honeymoon. Dorothea meets Will Ladislaw. Back in Middlemarch, Featherstone's illness and contested will drive plot. Lydgate tends both Featherstone and Casaubon, and his courtship of Rosamond advances. Casaubon's heart disease is diagnosed.

Casaubon extracts a near-promise from Dorothea and then dies before she can give it. His will reveals a codicil: if Dorothea marries Ladislaw, she loses her inheritance. Lydgate marries Rosamond. Their financial troubles begin immediately. Bulstrode's influence in the town and Lydgate's connection to him grow.

Bulstrode's past emerges when Raffles arrives, threatening exposure. Bulstrode, desperate to protect his position, gives Lydgate a thousand-pound loan. Raffles falls ill and dies under ambiguous circumstances. Lydgate's acceptance of the loan, combined with Raffles's death, makes him appear complicit in Bulstrode's crime.

Dorothea defends Lydgate's innocence to skeptical Middlemarch. She visits Rosamond and finds Will Ladislaw there in what appears to be an intimate scene. Dorothea spends a night in moral crisis, then returns to Rosamond and performs an act of profound, costly generosity. Dorothea renounces her inheritance and chooses Will Ladislaw.

Tracing the full arc of the Lydgate-Rosamond marriage — from Lydgate's initial contempt for social entanglement to the systematic destruction of his ambitions by debt, social convention, and Rosamond's impenetrable self-absorption.

Tracing the Dorothea-Ladislaw relationship — its intellectual basis, the obstacles created by class, the codicil, and Casaubon's dead-hand control — as an argument about what kinds of lives are available to people of genuine idealism in a constricted social world.

A thematic and structural analysis of the novel as a whole — the web metaphor, the dual-plot architecture, the use of the omniscient narrator, the historical setting, and Eliot's secular moral philosophy.

The Fred-Mary plot functions as the novel's deliberately minor key — a story about ordinary virtue, modest expectation, and the satisfaction of work well done, set against the epic aspirations of Dorothea and Lydgate.

A close reading of Eliot's Finale — its consolation, its limitations, its relation to the novel's secularism, and its status as one of the most emotionally precise endings in English literature.