The story unfolds with Dr. Dolittle and his animal companions successfully breaking into a locked room on a pirate ship. Using an axe, the doctor creates an opening to discover a frightened eight-year-old boy, who had been held captive for over a week. The boy’s immediate relief upon seeing the doctor—noting that he does not have a "friendly laugh" like a pirate—establishes a bond of trust. The boy reveals that he and his uncle were fishing together when they were captured by pirates. The pirates demanded the uncle join their ranks, and upon his refusal, they took him away, leaving the boy in isolation and fearing the worst: that his uncle had "drowned."
Dr. Dolittle, ever compassionate, takes detailed notes on the boy’s uncle, described as a "tall" man with "red hair" who captained the "Saucy Sally." Seeking answers beyond the ship, the doctor turns to the sea itself. He calls upon a group of dolphins, creatures who refer to themselves as the "ocean gossips" because they "know everything that happens in the water."
The dolphins provide a crucial lead: they confirm that while the "Saucy Sally" lies at the "bottom of the sea," the fisherman did not drown. Their testimony offers a glimmer of hope, as they explicitly state, "If that fisherman drowned, we would know." This insight shifts the mission from a recovery of remains to an active search for a living person.
With the boy’s morale boosted, Dr. Dolittle organizes a multi-species search party. He tasks Tutu, Dab-Dab, and the swallows with flying over the water to gather intelligence. The doctor’s directive is clear: "Remember to ask everyone you meet if they've seen a tall man with red hair."
While the search is underway, the ship’s atmosphere lightens. The animals take care of the boy, engaging him in games and introducing him to the extraordinary "push-me-pulley." The boy’s fascination with the creature, and the push-me-pulley’s gentle willingness to let the child "ride him around the boat," highlights the unique, nurturing environment Dr. Dolittle cultivates even in the midst of a dangerous rescue mission.
The narrative concludes with a poignant contrast. While the deck is filled with the innocent play of a child and his animal friends, Dr. Dolittle remains "quiet" and focused. His preoccupation with the uncle’s fate underscores his deep sense of responsibility. By combining the local knowledge of the "ocean gossips" with the coordinated efforts of his animal friends, the doctor remains steadfast in his commitment to reunite the boy with his missing uncle, holding onto the hope that they will "hear of something very soon."