A Good Walk Spoiled

Richard Cullis, a research director at Gloucester Chemicals, faces a dangerous dilemma when he's kidnapped and threatened over his company's animal experiments. Later, at a company golf tournament, he is found collapsed after dinner, prompting an investigation into a suspected poisoning. As Chief Superintendent Lambert and Detective Sergeant Hook delve into the case, they must uncover the truth among a web of motives and suspects, including colleagues and personal connections.