During a much-needed holiday Maigret pulls a prank on colleague Janvier

When Maigret’s holiday plans go awry he and his wife spend their vacation in Paris, on the condition that he has nothing to do with work. However a case involving the death of a doctor’s wife intrigues Maigret and he assiduously follows its development in the papers. He cannot resist playing a few tricks on his colleague Janvier who is running the case and along the way Maigret uncovers something that is crucial to the murderer’s discovery…