A small-town undertaker's life turns upside down when a car kills her husband. The tragedy becomes a mystery when details about the crash don't add up.

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.

When an exhumation threatens to uncover evidence of Blum's crimes, she and Reza get their stories straight before the police arrive.

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.

With both a mysterious new enemy and a dogged intelligence officer on her tail, Blum strikes out on her own to chase the only lead she has.

When Blum and Wallner learn where Nela is being held, they hatch a risky plan to get her out — before it's too late.

Wallner has trouble believing Reza. After proposing a hostage exchange with Sarkissian, Blum loses her only leverage.

As the bodies pile up, Blum is left with only one option. Wallner starts to see the bigger picture and almost pays for it with her life.

Relentless in her pursuit, Blum puts herself in harm's way. Mrs. Schönborn takes steps to protect her company. Reza makes a fateful decision.