Merton and his team set out to find the saboteur behind a series of rigged accidents in the lead-up to the Aidensfield Hill Climb, an annual race for motor cars. Meanwhile, Liz Merrick grows concerned about a man sleeping rough who she suspects may be suffering from asbestos poisoning, and Vernon finds - then loses - a fortune.
Casts:
Derek Fowlds, William Simons, Tricia Penrose, John Duttine, David Lonsdale, Peter Benson, Gwen Taylor, Lisa Kay, Steven Blakeley, Joseph McFadden, Rupert Ward-Lewis, Nikki Sanderson