Rodrigue Ancelin, a successful lawyer, is gunned down in the court's car park. A witness glimpsed the killer: Hugues Saint- Martin, an Attorney General's prosecutor. Both men knew each other. They had even been friends - a friendship which began at university. While Saint-Martin is obviously the murderer, Mac Orlan knows that he will have to put together a watertight case to expose him. The enquiry is rendered even more complicated by the fact that the victim was considered to be a loving husband, an attentive father and a respectful and respected lawyer. Who would want to kill such a man? The motive may have to be sought in the prosecutor's past...

Jérôme, a Parisian restaurateur on a visit to Marseille, is found stabbed to death in a cove. To uncover the reasons behind the murder, Mac Orlan hones in on those close to the victim. First, Hassan, his best friend, who is also a restaurateur. Jérôme had gone to stay with Hassan to have a look round the Marseille area with a view to moving there. Then there is Cyrielle, the victim's sister, a young woman who is addicted to drugs, a mythomaniac and, above all, extremely possessive of her brother. And finally, Patrick, a friend who became homeless...

A young woman's body is found at the foot of a cliff. Safia was about 30 years of age. Originally from the northern suburbs of Marseille, she saw her career take off, which attracted a certain amount of jealousy from those around her. Her friends included Séverine, a young musician whom Safia had taken under her wing, Franck, her fiancé, and Sadri, a kind of twin brother who became a respected and feared gang leader. Did one of these three benefit from having her out of the way?

Mac Orlan and Dora enquire into the death of an 18-year-old man, Boris. Mac Orlan interviews his friends and family to compile a portrait of the victim. By looking into the family's past, he also brings to light a number of painful and well hidden secrets which could explain the murder...