Davros begins manipulating the station crew, turning them against the Dalek Supreme’s forces. The Daleks unleash more duplicates on Earth, planning to replace the entire High Command. The Doctor is coerced into creating duplicate versions of himself and his companions, destined to assassinate members of The High Council of the Time Lords. Tegan and Turlough sabotage the duplication machinery, but the Daleks regain control of the station and capture Davros, intent on transporting him to their fleet.