The novel opens on the quiet Greek island of Brynos, where Simo struggles to guide his twenty-five-year-old son Pamphilus toward marriage and civic responsibility. Pamphilus, however, is drawn to the house of Chrysis, an intellectual courtesan from Andros who gathers around her a circle of young men for philosophical discourse and shelters a group of broken outcasts whom she calls her sheep. Chrysis herself battles inner loneliness and a failing heart, striving to bring dignity and purpose to her existence through literature and compassion.
Into this fragile sanctuary comes Glycerium, Chrysis's young and isolated sister, whom Pamphilus encounters and falls in love with during a rare walk by the hills. Their nascent romance is complicated by social strictures, as Glycerium is neither a Greek citizen nor viewed as a suitable match for the heir of a leading family. When Chrysis falls gravely ill and dies, the vulnerable household is left without its anchor, exposing the harsh realities of their dependent status on the island.
Following Chrysis's death, Glycerium's pregnancy is revealed, throwing Pamphilus and his family into a profound moral and social crisis. The island fathers decree that the destitute women of the household must be sold into slavery, prompting Simo to intervene at the last moment to buy Glycerium and bring her into his home. Although accepted with tentative grace by Pamphilus's family, Glycerium goes into labor and tragically dies shortly after childbirth along with her baby.
In the final movement of the story, as a long-awaited rain breaks the island's drought, Pamphilus grapples with the devastating loss of both Chrysis and Glycerium. Drawing upon the philosophical lessons and memories left behind by Chrysis, he learns to transcend his paralysis and sorrow. He resolves to guide his grieving family forward, ultimately embracing the full, unvarnished measure of human experience with courage and compassion.