After talking to a condemned man in prison. He finds out that the man was blackmailing someone who once dumped a body in a canal.
Maigret 's search leads him to a bar in Northern France where the locals are having a boisterous party as a wedding takes place.
Soon Maigret is investigating another murder. A man called Feinstein was apparently shot dead by Basso who was fooling with the dead man's wife.
Feinstein demanded money from men who played around with his wife.
Soon Maigret narrows his search to a missing money lender who could had been the body dumped in the canal.
A complex novel would not had been a simple endeavour to adapt for a single television episode.
It shows here, it had an unfocused beginning. It was easy to guess just who the culprit is, even though the reasons why was not straightforward.