Fallen London Exceptional Story for May 2015

"Ivy dreams sullenly and alone of overthrowing the cities." - Dunsany, The Blessing of Pan
A malevolent presence has driven the Prim Baronet from his ancestral home. His nights are riddled with nightmares.
Brave the mists. Travel to his crumbling, ivied marsh mansion. Gather clues, but guard your sanity. Fear sleep! Can you unravel the Haunting at the Marsh-House?