In" The Intruder" the Andersson family is being sent scary letters without a sender's name. Who could possibly want to harm them?

Gotland policeman Fredrik Broman and his colleagues take the threats seriously, but cannot rule out the possibility that it is all a tasteless joke. When the threats escalate and the couple's daughter disappears, all doubts vanish. This is for real. And it is only the beginning.

When the police pressure the husband, a complicated family history is revealed. What really made him return to the small island after his successful career as an international...