The successful and glamorous event planner, Viktor Algärd, has recently left his wife and children for his new lover. When he is found poisoned after a big night out, his spurned wife is a natural suspect. But the motive widens, as three cottages are burned down on the peaceful vacation destination of Gotland Island. In order for Detective Anders Knutas to catch the killer, he must unravel the truth that lies hidden at the heart of a broken family- and face secrets of his own.