Jo

The lifeless body of famous organist Johan Van Vliet is found at the foot of the "Portal of the Last Judgement" of Notre-Dame. His eardrums were pierced and his face set towards the statue of the angel who plays the trumpet to sound the waking of the dead. An outstanding musician, Van Vliet was also an egocentric man known to be a womanizer. In making the victim symbolically deaf to the call of the angel, the killer seems to have wanted to prevent the victim from receiving divine mercy.

Mountaineer Bernard Langs body is discovered with a broken neck in climbing gear at the foot of the Luxor Obelisk in the Place de la Concorde. Fascinated by the obelisk and its history, Jo knows that the monument is also a great vantage point of the surrounding area, including the suites at the Hôtel de Crillon. And in one of them, that evening, a well-bred young woman (Miranda Raison) was cheating on her husband.

In a parking lot on Place Vendôme, firefighters uncover the charred body of Philip Roquin, an accountant for one of the squares many jewelry stores. His wife admits that he was kidnapped and that a ransom was requested. The investigation leads Jo Saint-Clair to a prison where a woman called Lisette was incarcerated.

Leaving the Palais Garnier where he had just dropped off his daughter for her dance class, Raymond Sittler is assaulted on the steps of the Opera. A few seconds later, he starts convulsing, collapses on the porch and dies. Initially suspected, his mistress is also murdered at the Barbès-Rochechouart station, through poison. The investigation leads Jo to the prestigious Sorbonne University and to the door of a troubled student and his ambitious girlfriend.