In early 1925, the Honourable Daisy Dalrymple Fletcher, recent mother of twins, resumes her journalistic career by agreeing to write a piece about the Tower of London - the Bloody Tower - for an American magazine. Invited to observe the centuries old ritual Ceremony of the Keys, she's spending the night (her first time away from her babies) since the complex is locked and guarded, and the high walls are surrounded by a disused moat. Having been given a tour of the Crown Jewels, interviewed and o