Life for Agnes has been spooktacular ever since a ghost named Caroline became attached to her. Caroline was killed in the 1930s and now she assists Agnes and her partner Eleanor on cases. (Well, Caroline assists when she doesn't fade away.) Okay, so Caroline's not really attached bodily to Agnes, but the spirit usually helps out with things like opening doors for the sleuths. At least that's the case until Caroline goes into a Victorian mansion and...