সংক্ষিপ্ত বিবরন : Anne Beddingfeld was a newly-orphaned nice English girl looking for a bit of adventure in London. One day at Hyde Park Corner tube station a man falls onto the track where Anne was on the platform, dying instantly. The doctor examines who pronounced the man dropped a note saying “17.1 22 Kilmorden Castle” before he disappeared. Meanwhile a beautiful ballet dancer was brutally strangulated to death and valuable diamonds vanished. On the luxury liner Kilmorden Castle, people tried to kill her as well while rummaging her possessions for something. She can’t fathom what. She is the last person suitable to crack this mystery yet she accepted this daunting challenge that takes her as far as Africa while the tension builds. She must uncover the faceless killer known as “The Colonel”.