Paula, her son Carl, and his estranged partner Emily, join family members to mark the birthday of their missing son. As Carl fights to convince Emily to come home, new information comes to light about the missing boy, the implications of which are worse than anyone could have imagined.

Shortly after Swedish police detective Gunnar Barbarotti receives at home an anonymous letter during his holiday announcing the murder of some Anna, the bloodily stabbed corpse of Anna Palme is found. It's the first of a few murders with clues ahead, one naming Gunnar as mark. Barbarotti lists 60 possible vindictive persons from his past. Considering some of them proves dangerous, but probably futile as he stumbles onto the twins Kalle and Ole Borg's family intrigue.

In the 1890s, 10-year-old Yohan is sent away from home to survive on his own as a child laborer. He experiences hardships and overcomes his fears by relying on bravery and hope to make the best of his circumstances.