On her way home through a park in the centre of the city one evening a student called Susanne Meier is sexually attacked and murdered. She had with her Ricki, a two-year-old boy she was babysitting at the time. But when the girl’s body is discovered the child has vanished without a trace. Thomas Berger, a young reporter, is given the task of finding out everything he can about the case and writing a big feature about it for his newspaper. In the course of this investigation he meets Karin, the victim’s sister, and gradually discovers that there was a curious relationship between the victim and the murderer.