In the shadows of occupied France, a sinister presence lurks in every corner of the city, waiting to strike. At the heart of this darkness lies Picpus, a street and subway stop notorious for its gruesome crimes, where Inspector Maigret must navigate a complex web of clues and suspects to uncover the truth behind these heinous murders. As the investigation unfolds, Maigret's dogged determination is put to the test in a gripping game of cat and mouse that will leave you on the edge of your seat.