The Shortest Way to Hades

Everyone in the family had decided that changing the trust arrangement seemed the perfect way to avoid three million in taxes. However, when dreary cousin Deirdre has a mysterious accident after demanding a fee for her signature, the young London barristers handling the trust seek advice from mentor Hilary Tamar. Julia believes it's murder; whilst Hilary wonders why the raven-haired heir did not die.
But with more deadly accidents occurring, it is Hilary who is given the perilous quest of unmasking the killer.