The story begins in the vast expanse of the night sky, where "a family of stars lived in a nest." As the stars reach maturity, the ritual of departure commences. The "big sister star" and the "middle sister star" display courage, leaping from the edge of the nest to join the celestial constellations of the "Great Bear" and the "Hunter." Their departures are marked by confidence and grace, establishing the expected order of the stellar lifecycle.
Contrastingly, the "little boy star" faces a different fate. As he stands on the edge, his "legs were wobbling," signaling his hesitation. Unlike his siblings, his jump results in a failure to ascend. He experiences a distressing descent, going "down and further down, and even more down down down," until he lands ignominiously in a "flower bed." This transition from the celestial to the terrestrial leaves the star in a vulnerable state: "His shine did not shine," and he feels "cold." He becomes invisible to the world, ignored by an owl whose "big eyes did not see the star" and a beetle whose feet "tickled the star" without realization.
The star’s journey takes a turn when a dog named Bongo discovers him while sniffing flowers. Bongo carries the star into the house and drops the "dirty thing" at the feet of a boy named Raffy. A conflict of perception arises here: while the mother dismisses the star as "just a stone" and a "pebble" that belongs back in the garden, Raffy insists that it is "magic." This dialogue highlights the difference between seeing objects as mere matter versus recognizing their inherent, magical quality. Despite the mother's skepticism, she cleans the star, only to inadvertently discard it back into the garden later, causing Raffy significant distress.
The narrative reaches its resolution when Bongo, the loyal dog, retrieves the star once more, dropping it "beside the bed." Raffy’s reaction is one of profound relief and tenderness. Recognizing that the star’s "eyes are closed," he names him "Sleepy Star." The story concludes with a soothing ritual—a personalized lullaby: "Twinkle, twinkle, Sleepy Star. Near my pillow, there you are. Glow a little, soft and slow." This act of naming and caring transforms the "stone" back into a source of comfort. By bringing the star into his room, Raffy provides the celestial wanderer with a new home, proving that even those who have fallen from the sky can find peace and purpose in the gentle glow of a child's imagination.