When a favorite relative suddenly moves into their home 'just to rest and heal' (so their parents tell them), Zachary, 13, & Tristan, 15, are suspicious that it's something more, as is their dog Cassandra, a rescued pet with a mind (and commentary) of her own Great aunt Tante has always been there for them and was a major confidant in their teenage struggles-with bullying (as told in Elephant in the Classroom) & gender issues (Elephant in the Closet)...