Emily Feather - the ordinary girl in an extraordinary family. Emily doesn't like the boy her older sister Lory keeps bringing home. There's something untrustworthy about him, though Emily can't put her finger on exactly what. Soon she discovers Lory is in danger! The boy has tricked her into taking him through the doors into the fairy world. Robin, Lark and Emily must go through the attic - which Emily didn't even know existed - to sneak into the fairy world. Will they find Lory in time?