When the tape clicks on, so too a chilling descent into the mind of a killer. Follow Dr. Eleanor Voss, a seasoned psychiatrist tasked with evaluating Murdock Hush — a former schoolteacher turned serial murderer. But as their sessions unfold, it becomes unclear who’s truly in control. Every episode is a recovered recording from behind locked hospital doors. Can you trust what you hear? Or has the devil already found his way in?