S1, E2: During a daycare trip in the forest, little Marie Kerstner disappears without a trace. Inspector Oliver von Bodenstein and his colleague Pia Kirchhoff search the area and come across the body of a suicide victim: senior public prosecutor Hardenbach has shot himself with his hunting rifle in the forest. Is Marie's disappearance connected to Hardenbach's death? Marie's father, veterinarian Michael Kerstner, is worried sick, but he evades questions about his wife. Marie's mother never cared for her child, she was a bad mother, who recently abandoned the small family.