Is the young man merely drunk or does his tottering walk suggest something more sinister? When he collapses in front of two sisters on that dark, wet night, they guess rightly that he's been murdered by poisoning. So begins this tale set in the town of Banff, Scotland in the 1620s.

Second historical thriller in the Alexander Seaton series sweeps the hero back to his roots in Ulster, and a family living under a curse and riven with long-held secrets It is 1628, Charles 1 is on the throne, and the British Crown is finally taking control of Ulster. Returning to his rooms one night, Alexander Seaton is shocked to find a stranger standing there - a man who could be his double. His name is Sean O'Neill, and he carries a plea for help from Maeve O'Neill, forbidding matriarch of Alexander's mother's family in Ireland. All those who bear their blood have been placed under a poet's one by one they are going to die. Only Alexander is immune, his O'Neill heritage a secret from all but his closest family. Alexander travels to Ulster, to find himself at the heart of a family divided by secrets and bitter resentments. As he seeks out the author of the curse, he becomes increasingly embroiled in the conflict until - confronted with murder within his own family - his liberty and, finally, his life, are at stake.

Aberdeen, 1631. University librarian Robert Sim takes receipt of a gift of books recently arrived from overseas, mysterious works on alchemy and hermetics - the pursuit of ancient knowledge. By nightfall he has been brutally murdered. His colleague and good friend Alexander Seaton is left with the task of hunting for clues as to his killer's motive, as well as locating the missing books. What did Sim discover in the package, and what makes these books so dangerous?

1635, and Europe is in the grip of the brutal territorial and religious struggle of the Thirty Years' War. Fear stalks the town of Aberdeen as a ship recruiting for the wars lies at anchor in the river mouth. A sinister figure watches from the shadows as apprehension grows and culminates in the disappearance of the son of a Highland chief - a student of Alexander Seaton. When the frozen body of a young woman is found in the garden of a prominent citizen, Alexander becomes more deeply embroiled. He realises that the figure in the shadows is known to him and has come for him. He can hide from his past no longer.