The Doctor and Donna meet David and learn of Susan’s disappearance, and they set off for DA-17 to investigate themselves. They too are captured, and sent to Haldoran’s castle for questioning; Donna is terrified, as she was once married to Haldoran for political reasons and knows the man to be cruel and sadistic. The Doctor is more concerned with the fact that people are tampering with a Dalek Artefact, as the Daleks always leave behind traps for the unwary.
The Doctor and Donna meet David and discover Susan's disappearance, and they decide to travel to DA-17 to investigate themselves; however, they also become captives and are taken to Haldoran's castle for questioning. Donna is frightened due to her past marriage to Haldoran, who she knows to be ruthless and sadistic. The Doctor is concerned about people tampering with a Dalek artifact, which the Daleks typically set traps for.