The operation to identify La Garde seems to have succeeded, but there are fears for Delphine. Despite the urgency and seriousness of the investigation, Stéphanie agrees to read Pascal's letter at the hearing for Lanctôt's parole. Lots of emotions for Stéphanie who returns to command of the Squad alongside Marc-André in order to stop La Garde. Now that Corine has told everything she knows about the group of supremacists, she tries to reconnect with her mother.

The Squad questions the young people at the party and suspects that someone is hiding the truth. Mia is devastated to learn how she acted that night. She seeks to understand and no longer recognizes herself. His relationship with Felix will take a hit.