A mysterious stranger appears at a New Year's Eve party becoming the enigmatic sleuthing sidekick to the snobbish Mr Satterthwaite So far it had been a typical New Year's Eve house party But Mr Satterthwaite
- a keen observer of human nature
- sensed that the real drama of the evening was yet to unfold So it proved when a mysterious stranger arrived after midnight Who was this Mr Quin? & why did his presence have such a pronounced effect on Eleanor Portal the woman with the dyed-black hair?