The main attraction of Dupayne, a small private museum in London devoted to the interwar years (1919-1939), is an unsettling Hall of crime are studied the most notorious cases of the time. Their interest is clear, but Neville, the youngest brother Dupayne considers the institution to close its doors. Uncertainty about the continuity of the museum creates an unbearable tension, which will break when they discovered the charred body of Neville. Is it murder, suicide, an accident ...? Why this is so reminiscent death to one of the events listed in the Board of Crime