At the Wings Co. Fairy Detective Agency, Emily Vole and her friends are beginning to worry. It's been five months since their official opening, and they haven't had a single case! Then local landowner Sir Walter Cross dies in sudden and mysterious circumstances, and his case arrives right on their doorstep. And soon the detectives hear more baffling news: Mr. Rollo the tailor has mysteriously lost everything, and Pan Smith's wedding plans have been ruined the night before her big day. Now Wings Co. has not one, but three pickled herrings to solve! Can they figure out who is stealing people's luck before things go too far?