Little Wolf, Yeller, Normus Bear, and Stubbs Crow have started the Yelloweyes Forest Detective Agency, and they're hot on the trail of a thief who is kidnapping brute beasts from Frettnin Forest. Meanwhile, Little's search for the ghost of Uncle Bigbad continues with help from an investigator his parents have hired -- Furlock Holmes-Wolf. Will Little solve the Case of the Kidnapped Dead Uncle? Can he figure out the Case of the Vanishing Brute Beasts...