After a woman is hit by a car and hospitalized, authorities try to make sense of puzzling information from the young girl who was with her.

Gerd meets the mysterious patient; Hannah moves to a new home; Aida's investigation of the accident site leads to a breakthrough.

The false Lena's backstory unfolds as the police discover where Jonathan is located.

Gruesome new evidence from the forest surrounding the military site changes the scope of the investigation; Jasmin fights to regain her independence.

Jasmin realizes she's not alone; Gerd follows a hunch about Hannah, while Matthias forges ahead with a plan to bring her home; Aida pursues a lead.

As the pieces of a grim puzzle finally click into place, Gerd and Aida race to prevent history from repeating itself. Hannah makes a special request.