A horrific sexual murder shakes Münster. The victim, a young law student, was found strangled in her apartment. "Do we all have to be afraid now?" Headlines the local press. But there is not much to suggest that a serial killer was actually at work here. The suspect, on the other hand, is the victim's ex-boyfriend André Pütz, a freelance photographer who travels primarily to the world's crisis areas. had latelyhe repeatedly pursued the young woman. When Inspector Thiel and Prof. Boerne surprise him at home, he flees head over heels. And yet Thiel refuses to jump to conclusions. He discovers parallels between the facts and other cases. Above all, the extremely attractive bank employee Anna Schäfer, whose apartment had recently been broken into, does not let him go. But she meets him very unapproachable at first...