Rent Midsomer Murders: Series 11: Midsomer Life (2008)

An elderly gentleman watches through binoculars, realises that he has been seen and turns to run. Unfortunately his escape route out of the woods is blocked by a fallen tree. Two weeks later his badly decomposing body is discovered by Brad, a city worker on an off-roading trip with his friends. Who was Charlie Finleyson watching at his wife's ex-husband's house and who would want to kill him? Barnaby and Jones investigate.