The discovered door in the woods is an entrance to a bomb shelter. But the detectives must wait for swat team Delta to make risk assessments before they can conduct a raid; it’s frustrating to wait. At the same time Sander faces scrutiny for a past case – immigrant teenager Dalmar has hung himself in a detention center for a crime Sander arrested him for. Questions swirl around Dalmar’s actual guilt. Sander confronts Bo about the past but Bo is cagey in his response.