Derek continues his investigation into the arson attack and suspects that one of the Jessop family may have sabotaged their own stall. Later, further telephone threats to the market are made, leading to Derek interrogating Ralph Jessop.
Derek continues his investigation into the arson attack and suspects that one of the Jessop family may have sabotaged their own stall. Later, further telephone threats to the market are made, leading to Derek interrogating Ralph Jessop.