Dennis Merton is called to Ranby Hall to investigate the sudden death of racing driver Jack Maclean from a massive insulin overdose while he was under the care of Liz Merrick and Dennis's wife, Jenny. Meanwhile Vernon bumps into an old friend who offers him a gilt-edged business opportunity which leads him into serious trouble.
click here to see where to watch or .
Ready to Watch Heartbeat, Season 13, Episode 18?