'at this point i was sorely tempted to roam the premises , seeking to detect some latent indication of stuart 's having been in this or that room but i was also deeply convinced that stuart had not met with foul play in this hotel on the contrary , the people who were watching me , indeed , taking note of my movements and what i did , were doing so only because someone had paid them to do it i decided to contact stella mayfair at once ' langtry rang stella from his room though it was past four o'clock , she had obviously only just awakened when she answered her private phone only reluctantly did she allow the subject to be reopened and it soon became obvious that she was genuinely upset .