Mandy and her friend James, assisted by Blackie the labrador retriever, help Mandy's grandmother save the village hospital from being closed and, at the same time, save the lives of a newborn lamb and their young neighbor Jenny.
Mandy and James become concerned for the safety of a stray cat and her kittens after they move into a trailer on the campsite of Sam Western, a man known for his lack of patience with animals.
While on vacation in Ireland, Mandy and her brother James discover a herd of wild ponies, and they work together to save one of the young ponies from danger.