Shadowfang Keep

From the introduction: Looming over Pyrewood Village from the southern bluffs of Silverpine Forest, Shadowfang Keep casts a shadow as dark as its legacy. Sinister forces occupy these ruins, formerly the dwelling of the mad archmage Arugal's worgen. The restless shade of Baron Silverlaine lingers while Lord Godfrey and his cabal of erstwhile Gilnean noblemen plot against their enemies both living and undead. The adventurers have been sent to Shadowfang Keep to punish Lord Vincent Godfrey and his followers for their betrayal.