Maddy has always wanted a cat, but now she's got something even better - three small ceramic cats which come to life and give her magical powers! Maddy is delighted to see Nibs again, and she can't believe her new cat power - she can see ghosts! Maddy's Aunt Tilly's antique shop is being haunted and to undo the curse, Maddy must return an old gold locket to its rightful owner. But how will she figure out who the locket belongs to? With a little bit of magic and a lot of mayhem, Maddy and Nibs are determined to solve the spooky mystery!