A doctor and his invalid wife are found murdered in their house in a wealthy Swedish neighborhood. Suspects abound: There's Karla, an aspiring judge and housekeeper to the couple; Stephen, a struggling widower desperate to provide for his daughter; Jennica, an old friend of Stephen's deceased wife, who recently met a successful doctor on Tinder…. Told via these various characters' perspectives, police reports, and newspaper articles, this Nordic noir thriller builds to a satisfying conclusion I never saw coming!