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 lost in an ancient temple in the jungle; while Ian remains at the temple to search for the key, Sabetha and Susan continue to the next location. Ian finds Barbara in the temple, where they discover an aged scientist, Darrius, who reveals the location of the next key before dying; Ian and Barbara retrieve the key and teleport to an icy wasteland. They meet the duplicitous trapper Vasor, who steals their keys. Ian and Altos confront Vasor and force him to take them to the ice caves, where they find Sabetha and Susan with mechanised Ice Soldiers, and discover the