The pragmatic, reserved and refined Maigret investigates murders in his singular unhurried manner and inevitably discovers the truth.

After the theft of a priceless Van Gogh from a Parisian museum, Maigret follows his chief suspect to Lausanne where the suspect is found murdered.

Four women were murdered, each was knifed and, though they had their clothes torn, they weren't molested. As the famed police inspector Jules Maigret pieces the clues together, he comes to realize that for the elusive man that he suspects to be unmasked, he has to set him a trap.