When nineteen-year-old Natasha is found dead in a specialized psychiatric clinic in Leipzig, in her own ward, everything points to suicide. But Commissioner Walter Pulaski is incredulous. Based on the last entries in Natasha's diary, it does not seem that she suffered from depression. And the painkiller that Natasha allegedly injected herself cannot be the only cause of her death. The girl’s suicide note, found by Pulaski, is also puzzling: “There are always others who come to me at night.” Was she a murder victim? When Pulaski later learns of similar deaths at other government hospitals, he is convinced that a sophisticated killer is targeting mentally ill teenagers. But why? Meanwhile, at a Viennese law firm, young lawyer Evelyn Myers is examining a series of strange damage claims that all have one thing in common. Several men from the upper classes died under extremely unusual circumstances. Is it possible that these were accidents, as everyone thinks? And who is this mysterious, fragile, blonde girl who appears at every accident scene? The search for traces leads Evelyn to Germany, to the North Sea itself, where she meets Commissioner Pulaski. Because two such different cases have much more in common with each other than it seems...