Taggart (1983)

S18E2 Fire, Burn

The discovery of a body in the charred remains of a factory elevates Burke's arson investigation to a new level of intrigue. Seizing the opportunity, he decides to challenge his team with the case. Meanwhile, Fraser works diligently to uncover the identity of the deceased, while Burke and Ross apply increasing pressure on their main suspect, Scott Dewar, who owns a competing factory.