Kate embarks on a rogue mission into Dr. Curtain’s secret lab which ends in disaster. Mr. Benedict, Number Two, and Rhonda decide to take matters into their own hands. Reynie accuses Sticky of being taken in by Dr. Curtain’s charismatic ways, while Kate’s deception makes Martina a target. Reynie is called into Dr. Curtain’s office for interrogation. Constance’s unique sensitivity to the Whisperer comes to a head, and the team realizes that their time is running out.