We had found a secret passage leading into the lighthouse, and were making our way inside. We thought we had found a corpse, but it turned out to be a live Human, old, tall and gangly. He had been long struggling against the ghouls, and was apparently the only non-undead left in the town.
He was apparently a political official in the town, and told us the story of how, six years ago, Lord Ventwerhoffen's son was killed. Subsequently, his wife died in childbirth, and it was thought that the abominable child died as well, although that might be wishful thinking. The father lost his sanity.
Around this time, the Maiden's Tears (the spring that supplied the town's water) went bad, and that's when the trouble with the undead started.
The apparent leader of the ghouls, an aquatic elf named Elioss, continually tries to capture the old man, perhaps to gain access to the lord's manor, in the center of the isle.
We decided to investigate the manor, but found the way made somewhat more difficult by a flooded fen. Someone had built a dam in the center plateau of the isle. We soon found out why, as undead things rose from the water. They gained strength by putting sucking leeches on us! Eeew! We managed to dispatch them, but the memory of a swamp-soaked undead thing vomiting leeches all over me is one I shall carry for a long time.