"The Case of the Beguiling Baroness" - PART 2 of 3. When the dead body of Baroness Von Treska turns out to be not her, Ace Mifflin is introduced to mysteries that really take him from his comfort zone of speakeasies and the streets of Boston. Now Jennings, Mifflin, and Flynt track down a killer that is beyond anything Mifflin has experienced before. But even if they can catch the killer, how can they possibly stop him?