Eva Saalfeld and Andreas Keppler are confronted with the excesses of the modern job market. Temporary work and illegal employment seem to encourage abuse of people. A young manager Armin Lohmann is found dead in his apartment. The first suspicion falls on his wife Katrin, but chief inspectors Saalfeld and Keppler find bloody footprints at the scene of the crime, which indicate the presence of a strange woman on the night of the crime.