Devastated, Nadia alerts the Cerberus squad: her 16-year-old daughter, Nisrine, has disappeared. Lily-Rose and Renaud are nervous about meeting the social worker from the Youth Protection Services. Lamontagne must choose who will be the new investigator for the Cerberus squad.

Farid's comments about his sister worry the Cerberus squad. Dannick reveals crucial information to the investigators. The clue found in his van prompts Farid to reveal his whereabouts the night Nisrine disappeared.