After returning from a police mission in Afghanistan, Chief Inspector Harder is set to investigate a bog body found in a village called Friedland. The confrontation with Friedland's brutal history brings a grave guilt from Harder's own past to the surface and forces her to face the echo.
During her internship in a remote clinic in the Allgäu region, the young psychology student Lea immerses herself in a mysterious world of unorthodox therapy methods and demonic traditions.