The Belgian and French police investigate the activities of Michel Fourniret, a serial killer who was active on both sides of the border.

• TF1
• Philippe Torreton
• Isabelle Gélinas
• François-Xavier Demaison
• Claire Moigno
• Mélanie Bernier
• Yves Rénier
• Lilea Le Borgne
• Luna Bevilacqua