The story opens with the narrator's arrival at his great-grandfather's farm on the Pennesseewassee lake in Maine. Orphaned by the Civil War, the grandchildren gather at the old farm where the aging grandparents must restart their agricultural life to support them. The text vividly portrays a bygone era of rural New England, filled with hard farm labor, seasonal events like sheep-washing and haying, and the everyday trials of growing up.
Throughout the narrative, the cousin relationships are tested and strengthened. Addison emerges as the studious, capable scholar, while Halstead is the moody, rebellious youth who constantly stirs up trouble. The girls, Theodora, Ellen, and Wealthy, contribute to the domestic and outdoor life, participating in everything from berry-picking to berry-beas and bee-hiving. The book captures the distinct personalities of each child and their gradual bonding over shared tasks and comical mishaps.
Memorable episodes include leading a runaway calf down the road, constructing a water-warmer for sheep-washing, and digging out a mother fox from its den to save the farm geese. The narrative also delves into humorous misadventures, such as the famous incident involving the medicine bottle mistaken for elderberry wine. These episodes highlight the warmth, humor, and rustic simplicity of farm existence.
As the seasons turn from the bloom of apple trees in May through the heat of summer and into the rigorous demands of harvest, the children grow and learn important life lessons. The Old Squire and grandmother provide a steady anchor of wisdom and patience, guiding the young ones through their youthful follies. The book concludes on a reflective note, hinting at the enduring bond formed during these formative years at the old farm.