Falco is obsessed by the vision of his best friend, John Paul Menard, shooting him twenty-three years earlier. Disturbed, unable to believe it, insomniac, he gives himself fully in the investigation, assisted by Knight. A young man fled, leaving behind her little sister, wandering in the Bois de Vincennes, bloodied his teddy in her arms ...

Falco follows Ménard for days, watching his every move. Since graduating from the coma, the Commissioner lying to him ... Meanwhile, Clara Benetti, twenty-four years, was found dead while she was supposed to have been murdered by a serial killer, Drouet, at the age of six. Where was for eighteen years?

Falco hollow past Menard, twenty-three years earlier ... Meanwhile, an anti-globalization group, previously pacifist, removes the daughter of a wealthy industrialist. While the father put on an easy release, everything degenerates when militants murdered innocent.

While Falco is more than ever face the lies of the past, the corpse of a carpenter was found in his home, brutally executed ... Strangely, his identity is false. His daughter, born in France, ignorant of his true identity ...

Falco can not accept the death of his best friend, Ménard, a disappearance which deprives him of the truth about their common past. While everyone is mourning the police, a body is found, murdered in what amounts to a Christian ritual. An investigation begins, in which Falco suffers from the distance Romain Chevalier takes with him. Up track of cylinders used to sedate the victim and Bibles distributed by a priory, Falco discovers Samael, the angel of death, a serial killer who is about to hit a fourth time. The policeman deductions allow him to prevent another murder but is now the target of religious fanatic: he, the Risen who has seen God.