patient seemed fine. Tommy decides that their next line of action is to advertise for Miss O'Hara to come forward, even though they risk putting her on her guard if she was involved in tampering with the kit bag. Two days later, Albert shows into Tommy's office a Miss Cicely March who is answering the advertisement, but before she can relate what she knows they are interrupted by a big, dark, Spanish-looking man who holds them up at gunpoint. He has followed Miss March, having recognised her as a passenger on the liner, and he suspects that she is about to meddle in his plans. Before he can carry out any of his threats, he is accosted by Albert and disarmed. Tommy throws him out, deciding not to involve the police. Alone with Tommy, Miss March tells a tale of having also seen the incident of Miss O'Hara on the liner: The supposedly ill woman, when she thought she was alone and unobserved, went into Mr Wilmott's cabin and put something into the lining of a boot through a slit which she cut. Worried about what she had done to the boot, Miss March later went into the empty cabin and extracted the object from the lining. It was a slip of paper with verses from the Bible; but only yesterday, by accident, the paper became wet, revealing hidden writing that looks like the plans of a harbour. The paper is back at her place of work – a beauty parlour in Bond Street where she is the US agent for preparations used in beauty treatments. Tommy leaves a note for Tuppence, and he and Miss March go to her beauty parlour. Preparing to take a taxi, Tommy notices that the cab has just refused a fare further down the road and, suspicious that they are being watched, insists on walking to Bond Street. Once there, they pass through the front of the shop, past a woman customer and two waiting men, and go into a back office where Tommy is immediately set upon. Rescue is instant, however, as the woman in the front of the shop is Tuppence and the two men are policemen, alerted by Tommy's note. He noticed a look of disappointment on Miss March's face when their assailant at the agency was overcome, and realised she was in the enemy's camp. He had also worked out