Youssef's niece Saida finds her boyfriend, the young doctor Hagen Hoffmann, slain in their shared apartment. Based on the victim's computer activities, the police assume that the crime was committed in a drug environment.
Includes: The Fox - Dark Trail, The Fox - Traces of Coal Dust, The Fox - In a Gilded Cage, The Fox - Hunting Season, The Fox - Traces of the Past, The Fox - Old Sins, Die Füchsin - Der Spion, The Fox - Romeo Must Die, The Fox - Beautiful and Dead, The Fox - Game Over, Die Füchsin - Rachespiel
