Spring is in the air and Puck and Einar, as well as Christer Wijk are invited to a wedding in Skoga. The day before the wedding, the bride-to-be enters a flower-shop in order to inspect her bridal bouquet of lily of the valley, but suddenly vanishes without at trace. When she eventually turns up again, it is Christer who finds her. She lies dead outside her home with a bouquet of lily of the valley in her hand. Everybody close to the bride are suspects, not least her best friend, whom Christer has just begun flirting with. Everybody seems to have something to hide. Question is: are their secrets connected to the murder?
Swedish intelligence officer Carl Hamilton's 7-year-old goddaughter Nathalie is kidnapped. When the kidnapping's underlying motive becomes known, the Swedish authorities assume a passive role, forcing Hamilton to action. With the help of international contacts, Hamilton manages to get them on track. Hamilton, along with some military colleagues, plans a daring rescue mission.