Murder of Innocence: When convicted murderer Grady Felton returns to Midsomer after his incarceration for killing a young boy which was Jones's first murder case the whole town is set on edge. Felton seems to be out for revenge when his lawyer dies suspiciously, but he has a solid alibi. Then Felton himself is targeted. As the death toll mounts, can Barnaby and Jones discover the truth of the killings?