Marianne has killed her husband. Apparently a straightforward case of self-defense: Benoît had forced open her door and tried to strangle her. Their son Robin was in the flat, but had neither heard nor seen anything. Astrid asks Alexandre Rotivel to handle the case, but the first elements of the investigation appear to contradict Marianne's version.
After being caught shop-lifting, a teenager, Emma, finds herself at the police station. The security guard who caught her, has accused her of charge of assault and battery. Her parents are divorced and the incident happened during the week when her father was looking after her. Her mother takes advantage to apply for sole custody. Audrey is contacted by a client who wants to have his wife's show banned: he considers it damaging to his reputation.
On returning from a trip abroad, a woman is arrested for child abduction. The father had obtained a court order to stop the child leaving the country. Astrid, well-informed of all the details of the case, knows that the trip was for medical reasons. Audrey learns that Paul is aware of her relationship with Éric. Shattered she asks Roxane to obtain a paternity test.
Céline Jauffrin decides to start legal proceedings against Federico Lorca, convinced he is the father of her child. In front of the judge, Lorca refuses to give a biological sample. Sofia, who represents him, feels that the judge has something against her. Audrey has returned to work after giving birth.