Reynie and Sticky are invited to join the Messengers and come face-to-face with the device behind The Emergency's secret transmissions – The Whisperer. After their previous mode of communication is compromised, Number Two suggests an alternative means of reaching the children. Kate and Constance follow a lead from Mr. Benedict to uncover a secret entrance to Dr. Curtain's lab, just as Dr. Curtain gears up to advance the next phase of his plan: The Improvement.

Starring:

Seth Carr , Emmy DeOliveira , Mystic Inscho , Marta Kessler , MaameYaa Boafo , Tony Hale , Ryan Hurst , Gia Sandhu , Kristen Schaal , Saara Chaudry , Ben Cockell , Katherine Evans , Ben Daon , Emily Delahunty , John Gillich , Tysae Grewal , Trevor Hinton , Rémi-Gaël Panon , Jed Rees

Genre:

Adventure, Comedy, Drama, Family, Mystery