There is great concern in the village of Sonnington that Rosewood is slowly dying, and no one seems to know why. What is obvious is that the deeper local scouts move into the wood the more ominous it gets. None of the scouting excursions have been able to get past what is known as the Knee, where scouts indicate that a marauding group of trolls has taken up camp. The Knee represents a tight bend in the river within the Rosewood, about four days march North and West of the village