A hunting party realizes a druid has been foiling it’s hunting efforts and shifts it’s focus from hunting wild game to hunting the druid.
Sinister, enganging plot involves a powerful tool fallen into the wrong hands. Only the players can set things right. They have a piece of the tool, but first they have to figure out how the tool works, why two opposing forces are persuing them, whom to trust, and what to do next. Murder, accusation, betrayal, diplomacy, combat, and constant mystique force the players to make incredibly difficult decisions.
What about a 'criminal' society with distinct laws - for stealing, the larger the value of something stolen, the less punishment the courageous thief recieves (but must return it of course). For this pirates(?) caught petty thieves deserve to be punished harshly. If you take, you better take a lot.