Dark Angel — Mari Jungstedt

Family ties can bind dangerously tightViktor Algard was in love. Reckless in the grip of passion, he left his wife and grown-up children to be with his new lover. His last act was a celebratory drink at a glamorous party . . .Inspector Anders Knutas must find out who on the island of Gotland hated Algard enough to poison him. At first Algard's spurned wife seems like the obvious suspect. But a second attack confirms his suspicion that there's a more complex motive behind the murder.If Knutas is to catch the killer, he must discover the truth that lies hidden at the heart of a broken family - and face some secrets within his own.