A light was murdered. Through their investigation, investigators discovered a second corpse, buried in the forest for several years. Falco's personal life is complicated and disturbs his work: indeed, there parallel tries to uncover the truth about the circumstances of his accident. How far this immersion in the past will she lead him? ...

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.

A corpse was found asphyxiated in dichloromethane in an old trailer. If his identity is unknown, he left a message: an early name "Lor". Falco and his team then put the finger in a health scandal stifled by the company responsible, Orfleur. Two paths open. A victim of the scandal that wants revenge ... or conversely CEO Orfleur who would silence those who might do dive. In the center of the vortex, Leah Butler, the No. 2 Orfleur oscillating between all shut up and swing ... While his family life is weighed down by his inability to communicate with her husband. Falco he will come to save multiple opponents who dream dead?

Pauline disappeared. Falco is convinced that she was abducted by Darrigade, the man who, for 25 years, made his life and that of fire Ménard hell. But Falco refuses help he would need to find her daughter ... and doubt gradually settles into the head of his friends. And if he was delirious? If everything were only a consequence of his coma? Falco is isolated and eventually interned in psychiatric hospital to finally prove that he is victim of a plot. His friends finally at his side, they investigate together to find Pauline. But before saving it will outmanoeuvre Darrigade and face one last time on his land, that of manipulation and false pretenses.