Did their conscience get to them? Or did someone else? An unethical banker suffocates. A diamond dealer slits his wrists. A media magnate freezes in the snow. A disgraced CEO inhales exhaust fumes. Four unpopular businessmen, four apparent suicides. Until Interpol find the same DNA at each death. Beatrice Stubbs, on her first case since a personal tragedy, arrives in Switzerland to lead the investigation. But there's more to Zurich than chocolate...

"You don't attract trouble. You go looking for it." On a sabbatical from the Metropolitan Police, Beatrice Stubbs is considering her future while touring Northern Spain. In the Basque County, she encounters a distant acquaintance. Beautiful, bloody-minded journalist Ana Herrero is onto a story. Beatrice, scenting adventure, offers her expertise. The two women are sucked into a mystery of missing persons, violent threats, mutilated bodies and industrial-scale...