In a fresh and funny companion to the Theodor Seuss Geisel Award winner, the fox sisters team up with their friend Eugene in three spy-rific adventures. After Zelda, Ivy, and their best friend Eugene watch the new Secret Agent Fox movie (some more bravely than others), they are inspired to do a little detective work themselves. With top-secret agent names chosen and notebook in hand, they're ready to get to the bottom of neighborhood...