Freed after 20 years in prison, the child killer Guy Beranger found refuge with the monks in Vielsart, a small village in Belgian's Ardennes. He is placed under the protection of a young Federal Police's inspector, Chloé Muller. A little while after his release, a little girl disappears.

• Stéphanie Blanchoud
• Angelo Bison
• Philippe Jeusette
• Jean-Jacques Rausin
• Clément Manuel
• Pauline Étienne
• Noa Staes