Bern, Switzerland—known for its narrow cobblestone streets, decorative fountains, and striking towers. Yet dark currents run through this charming medieval city and beyond, to the idyllic farmlands that surround it.

When a rave on a hot summer night erupts into violent riots, a young man is found the next morning bludgeoned to death with a policeman’s club. Seasoned detective Giuliana Linder is assigned to the case. That same day, an elderly organic farmer turns up dead and drenched with pesticide. Enter Giuliana’s younger—and distractingly attractive—colleague Renzo Donatelli to investigate the second murder. Giuliana’s disappointment that they’re on two different cases is tinged with relief—her home life is complicated enough without the risk of a fling.

But when an unexpected discovery ties the two victims into a single case, Giuliana and Renzo are thrown closer together than ever before. Dangerously close. Will Giuliana be able to handle the threats to her marriage and to her assumptions about the police? If she wants to prevent another murder, she’ll have to put her life on the line—and her principles.