Follows the life journey of Sophie the silkworm, from hungry caterpillar to silky cocoon to moth, as she proves to the sheep that she is just as useful to the farmer as they are.
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.