4One of the most prominent citizens of Göteborg, Sweden, plunges to his death off an apartment balcony, but what appears to be a "society suicide" soon reveals itself to be a carefully plotted murder. Irene Huss finds herself embroiled in a complex and high-stakes investigation. As Huss and her team begin to uncover the victim's hidden past, they are dragged into Sweden's seamy underworld of street gangs, struggling immigrants, and neo-Nazis in order to catch the killer.