The mutilated body of a young woman washes up under a bridge in Leipzig. Walter Pulaski, a cynical police investigator, soon realizes that the murder of the prostitute Natalie does not enjoy the highest priority among his colleagues. He does his own research - at his side Natalie's mother Mikaela, who wants to avenge her daughter's death at all costs. Together they come across the bloody trail of a serial killer, which leads via Prague and Passau to Vienna. There the young lawyer Evelyn Meyers has just taken on her first own case as a criminal defence lawyer. It's about a brutal murder of a woman - and a fatal misjudgement almost makes Evelyn herself the next victim ...