Four years have passed since the Driss Assani case. Yoann Peeters has moved, he's not a cop anymore. He tries to take some distance in an attempt to forget the tragic death of Sebastian Drummer. But his past catches up on him quickly.

Jasmina Orban, the psychologist who took care of him back in the day, comes back to find him. She's working with a new patient : Dany Bastin, a young man on probation. He is accused of a horrible crime, but she is convinced he's innocent. Yoann is the only person who can help her. But he's reluctant, he promised himself he would never investigate again...