What strange compulsion could have driven the beautiful widow to abandon the prospect of a loving marriage and financial abundance? Monk's attempt to answer that question proves a challenge, as Miriam Gardiner's fateful flight ends in a packed London courtroom where brilliant barrister Oliver Rathbone wages an uphill battle to absolve her from a charge of murder. And in a race with the hangman, Monk and clever nurse Hester Latterly--themselves now newlyweds -- desperately pursue the elusive truth... and an unknown killer whose malign brilliance they have scarcely begun to fathom.