A poisoning many years ago may not have been accidental after all... Tommy & Tuppence Beresford have just become the proud owners of an old house in an English village. Along with the property they have inherited some worthless bric-a-brac including a collection of antique books. While rustling through a copy of The Black Arrow Tuppence comes upon a series of apparently random underlinings. However when she writes down the letters they spell out a very disturbing message: M a r y
- J o r d a n
- d i d
- n o t
- d i e
- n a t u r a l l y... And sixty years after their first murder Mary Jordan's enemies are still ready to kill...