In the prelude to this finale, Dr. Gregory found himself assailed by danger from every direction as he struggled with circumstances beyond his control it. In the explosive conclusion to this saga, Alan is forced to acknowledge that the perils bringing him to his knees are not the dangers he recognizes, nor are they from the nemesis he has long feared. Instead he is confronted by unexpected threats from unanticipated adversaries and by intimate betrayal from those who have been closest to him.