S04:É04 - S04:E04 - Who Killed Cock Robin?

Returning home one night, in a drunken state, the local doctor of Newton Magna calls in the police after he had accidentally hit a man, yet when Barnaby and Troy arrive, the injured man is nowhere to be found. As they investigate the mystery, Barnaby encounters an old adversary who is working to help renovate the village and whose daughter is getting married to a local boy. Matters soon become complicated, when the body of the best man's father is found in a well that was being renovated, whom the detectives soon discover had disappeared on the day he was planning to run away with a local farmer's wife.