S13, E6: When police arrive to investigate the death of an architect on a construction site, foreman Schmelcher fears his illegal employment practices will be discovered. The situation gets worse for Schmelcher when it’s revealed Johann Kasdorf didn’t fall from the roof but was pushed. While fear and suspicion mounts, the team investigate who would benefit from the architect’s death. As the investigation unfolds, the secret world of construction and its hidden dangers come to light, unraveling a tense mystery where everyone is a suspect.