Heartbeat (1992)

S18E04 Living off the Land

Joe and Carol look into the case of a woman from a traveling community who has been brutally beaten. Meanwhile, Don discovers that his wife is unfaithful. The head of the travelers and Lord Ashfordly's gamekeeper become entangled in a drug operation. Tensions escalate when a man is discovered murdered on Lord Ashfordly's property. Additionally, David finds himself in a fierce battle against a competing taxi company.