Two stories about ordinary children who suddenly develop magical powers, the first, an eight-year-old girl who uses her strength for good instead of for fun and the second, a boy whose invisibility helps him find his missing parents.

Nine-year-old Emily Vole and her friends at Wings & Co. Fairy Detective Agency have their hands full with the sudden and mysterious death of local landowner Sir Walter Cross, devastating losses suffered by tailor Mr. Rollo, and the ruin of Pan Smith's wedding preparations the night before her big day.