And all new original mystery started and Adrian monk their brilliant investigator who always knows when something's out of place. Monk has already ruined trips to Hawaiian Germany for as long suffering assistant Natalie. At least he can do his make it up to her to accompany her on a journey to France and try not to ruin that too. He reluctantly agrees to go along and stunts Natalie by announcing that he wants to visit of all things the sewers of paris. Not his usual couple of milk free tea. But the historic underground Maze of pipes and tunnels is famous for making the City of Lights admirably sanitary in tomok that's worth paying tribute. And he can always wear a hazmat suit for the tour. The only problem is that Natalie amongst Exploration lead them to another Hidden World below the Parisian streets the catacombs. Filled with Angel schools and bones. Amongst a Sharpie catch a sight of one school that's not so old and it shows evidence of murder. Pulled into a case more roundabout and with more dead ends than the sewer system itself. When a San Francisco connection is discovered captain styleheimer and Lieutenant disher flying to help. And the clues will lead them to some unusual suspects including those among a subculture people taking a political stand by living only on what they find by digging through the shutter garbage. Solving this murder case will make them miserable