The Squad realizes how much Delphine and Michael have crucial information. Corine fears for her life and that of the unborn baby. The idea that her daughter and her mother are possibly in danger pushes Corine to speak to Lily-Rose. A large-scale operation is being prepared and mobilizes the entire squad. Despite the fact that this investigation requires a lot of time for Stéphanie, she is worried about Pascal who has left the house...

The Squad is called to intervene to find a 10-year-old girl. Disappeared the same night Mia and her friends gather in the schoolyard. The drunken party turns into a nightmare but Mia doesn't remember anything...