“Leave? You mean go away and never know? Wander for all eternity and never know where we were, what might have been, what was to come?” The Doctor and Peri find themselves in the Museum of Aural Antiquities, where every sound is stored for posterity – from the speeches of Visteen Krane to security service wire taps and interrogation tapes. But they also find an intruder, mysteriously changed recordings, and a dead body....
