The party sent from House Sel'rue to take command of House Freth on the Isle of Rothe in Lake Donigarten has discovered looters occupying the keep.  The powers of the keep, expected to be dispelled by the death of the matron, are still fully functional, but for some strange reason it seems under the sway of the looters.

One of them… must have the means of controlling it.  So the question becomes, "who lived?"