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 ...

A 17 year old girl was found défenestrée from home for young offenders. The knife wound adorning her abdomen is unequivocal: she was murdered. Falco Knight and discover a neighborhood on the brink of explosion. Two camps clash. On one side the home and its occupants, led by its director. On the other neighbors, guided by the owner of the bar opposite, convinced that all problems come from the corner of the girls. While the first suspicion falls on the home and the past of ex-offenders, the investigation quickly focuses on a personal vendetta ... related to the accidental death of a young man in the neighborhood, a month earlier. The problem for the two officers will then discover the truth without triggering a riot that may end in lynching.

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?