Blum decides to take in Dunja, a frightened woman who knew Mark. She begins to suspect the powerful Schönborn family was involved in Mark's death.

Blum begins to follow the trail of the men who attacked Dunja, leading her to frightening places. Meanwhile a strange car begins to follow her family.

Blum confronts Mrs. Schönborn, certain that she is behind kidnapping her son before luring another member of the gang into a deadly trap.

The police chief begins to think that Blum might be behind some recent events. Massimo finds some damning evidence. Blum ends up in a perilous situation.

The police brings Blum in for questioning. Afterward she puts the final piece of the puzzle together in a meeting with Massimo.