Dalgliesh (1983)

When another dead woman is found, many assume it is the work of the Whistler. Discovered by Miles Lessingham while on his way to Dr. Alex Mair's home for a dinner party, the woman had been strangled and was lying just off the road. The victim was Christine Baldwin, an employee at the nuclear facility. Still worried about the computer virus and the impact it could have on the safety of the nuclear reactors, Toby Gledhill decides to join the anti-nuclear movement.