While I can agree that the concept of the colony being based on ancient Scotland, and the hokey attempts to make the show spooky were totally lame, this show stands out as a favorite of mine for one reason: It gave Gates McFadden a chance to really ACT.
Most of the time, her roles are to spout a few words of medical jargon. She\'s in the background, easily ignorable, especially with the younger, more nubile cast members and guest stars. Some episodes developed her relationships with her son, Wesley, and Captain Picard. But again, it was hard to believe her as a real person.
In this epixode, however, we see her range. In particular, possibly the hottest sex scene in Star Trek history! She is in the throws of passion with the entity, who is invisible in the scene, and she portrays it very convincingly. This scene often gets cut short when re-run, but remains intact on the DVD.
So if you\'re not a Gates fan, then the episode can be found lacking on several fronts. If you ARE a Gates fan, this one is essential viewing.