Questions remain about the shootings. An old foe with a grudge against Deborah smugly appears. Kader finds himself in the middle of swirling personal developments.

A radio presenter paid with his life for his cruelty to listeners. Welcome to the universe of uncontrollable fans, challenges which end in tragedy, the relentless pitiless world of the social networks.

Patrick Ariège informs his friend, Commissioner Doucet, that he has killed his daughter's murderer. A delicate inquiry for Kader and Adeline, who will have to tread carefully concerning their superior's involvement, and invade the intimacy of a family which never recovered from the terrible tragedy.

A man is fatally shot ion a drive-by while standing near Deborah in front of the police station. Which of them was the target? The investigation leads the team to another serious crime. Adeline learns a major decision is imminent.

Kader and Doucet are abducted at Doucet's office by Bruno Portal, a man accused of killing his daughter, and who has escaped from prison searching for Kader and Adeline, so that they can resume the investigation and find the real culprits of his daughter's death.

A young Polish girl, apparently an occasional prostitute, is murdered. Among the suspects: the respectable Mr Debray, her client; her husband, an impulsive man who perhaps had felt betrayed; her pimp, an unscrupulous businessman.

A popular science teacher at Sarah's school is murdered and the longer the investigation lasts, more disparate motives than usual are revealed.

A luxury watch manufacturer is found dead. His attractive wife is the key suspect. Apart from the huge fortune she'll inherit, it transpires that her previous husbands, also wealthy men, died in suspicious circumstances. Much to everyone's surprise, Adeline Briard is back after seven months away.

Deadly weekend: Cherif and the team go all out to prove the innocence of Adeline, wrongly accused of murdering Garnier. The two lovebirds celebrate their reunion by secretly spending their first weekend together in a luxurious hotel. But their romantic break is compromised when a dead body is discovered in the grounds.