Max's mother has been suffering from the debilitating effects of multiple sclerosis for several years now. Unable to find relief, she turns to the world of witches for an answer. In particular, a Granny Witch from the Appalachians.

Making a deal with a witch is a dangerous prospect for those who know what they are doing. For a novice, it can be deadly. As the Granny Witch pulls Mrs. Porter into a world she knows too little about, Max, Sandra, and Drummond will be forced to rescue her.

But a witch war has begun, and that means Mrs. Porter's problems are caught in the middle of it all.

For the Porter Agency, it means working overtime.