Fumblethumbs, a young Leprechaun, is abducted by a character named O'Bleery and whisked off to a place in Southern England. With the help of a fairy, he escapes and seeks the help of six young children to return safely to Ireland. The children enter into a magical world of leprechauns, fairies, goblins and other such creatures, one of which is Grandpa Fiddlesticks, noted for the way he twists proverbial truths. They embark on a series of adventure, including witches and even a mermaid.