Ceremony of the Keys (London) passes his lantern to a soldier, and marches with his escort to the outer gate. The sentries on duty salute the Queen’s Keys as they pass. The Warder first locks the outer gate and then the gates of the Middle and Byward Towers. The Warder and escort march down Water Lane, until they reach the Bloody Tower archway where a sentry challenges the party to identify themselves: The Warder and escort march down to the foot of Broadwalk Steps where the main Tower Guard is drawn up to meet them. The party halts, and the officer in charge gives the
The Keys of Marinus Morphoton order Barbara's death, but Barbara escapes and hides in the city, where she makes contact with the slave girl Sabetha, who has been blamed for Barbara's awakening and sentenced to death. Barbara notices one of the keys around her neck. They escape and destroy the creatures, freeing the subjects of the city. Another slave, Altos, remembers that he was also sent by Arbitan, and he and Sabetha join the Doctor and his crew on their quest. While the Doctor continues to the City of Mellennius, the others search in a dangerous screaming jungle. After triggering a trap, Barbara is