The entire HQ is on alert since the operation took an unexpected turn. Renaud is particularly emotional in the situation, he practically becomes out of control. Stéphanie must intervene to avoid further slippage.

Robert and Cindy are back at HQ for a delicate operation with the Squad. The Brigade and the Squad must join forces again because Lamontagne wants to make a big impact. This time, he and Stéphanie are on the same wavelength.

Lamontagne's integrity is put to the test when faced with one of the worst dilemmas of his life. The journalist Jamal Bouzid accuses her of swimming in a conflict of interest while Stéphanie does not hesitate to lecture him!

A disturbing event affects close friends of Director Lamontagne's family. So, he would like to participate in the investigation and put his best investigators on the file, but he finds himself in a conflict of interest...

The squad looks into the discovery of a body found in poor condition in a wooded area. The situation is delicate for identification at the morgue. Dominic is called upon to provide support to the victim's mother.

At HQ, morale has been low since the catastrophic outcome of the biker investigation. Lamontagne suspended Robert and Cindy because of their misconduct. Since then, Pelletier has not heard from Cindy. This silence makes him doubt his relationship.

The atmosphere is increasingly heavy and a climate of suspicion is established in the Brigade. Pelletier can no longer hold still, he wants to save Cindy. With Lily-Rose and Renaud, they try to convince Stéphanie to intervene as quickly as possible.

Still without news from Cindy, concern is felt at Headquarters. Lamontagne calls an emergency meeting to find Cindy. And in the circumstances, he needs to bring together the best duo: Renaud and Lily-Rose!

The Squad decides to meet the villagers who have received threatening letters. Lamontagne considers that the investigation is not progressing quickly enough for his liking and he makes hasty decisions, but Stéphanie thinks he is going the wrong way.

Lily-Rose confides in Renaud, she doubts Cindy who already had a relationship with Spider. She who has always been loyal to her superiors, Lily-Rose is venturing onto slippery terrain... will she hide information from Lamontagne?

Jennifer's analyzes of the crime scene reveal surprising facts to investigators. Captain Duquette is back from vacation to everyone's delight. She quickly realizes that Lamontagne is micro-managing and that exasperates her...

Cindy's presence at the scene of the shooting is not appreciated by the bikers. Lily-Rose tries to calm things down and takes charge of the investigation with Robert. As for Renaud and Pelletier, they discover that their missing person had many enemies.

Tension reigns in the Brigade when a dangerous biker leader is released from prison. Unlike Robert and Lily-Rose, Cindy seems to take the situation lightly, thinking instead of her first official date with Pelletier!

Time is running out to find the place of confinement and save Léa's life. A shadowing operation is being prepared at HQ to unblock the investigation. Stephanie thinks Lamontagne is making risky decisions for her team.

The major Squad operation does not yield the desired results. Lamontagne calls on Hugo to help investigators establish the profile of the author of the strange messages on social networks. Stéphanie is uncomfortable in front of Hugo.

The Squad is dealing with two disappearances that could be linked. Hélène and Martial are extremely surprised by what Renaud and Pelletier discover about Hervé and confide in Dominic and Pénélope.

Director Lamontagne is once again faced with a delicate matter with the media. Cindy feels totally helpless in the current situation. His impatience and bubbling character are likely to cause him problems.

Robert allows Lily-Rose to investigate a new case with the Cerberus Squad! Stéphanie is proud to find her duo of investigators. Now that Lily-Rose has officially lodged a complaint, Renaud confesses his plan to her about Manuel.

Will the squad finally succeed in getting Jacob to speak in interrogation? New information suggests that Hugo has put himself in danger because of his young patient. Stéphanie is worried and tries desperately to reach him.

Time is running out to find Linda Simard alive, Robert and Cindy are on the alert. Jacob makes a disturbing confidence to Hugo. His excessive involvement with the young arsonist risks putting him in a compromising situation.

Involved with the squad to establish the profile of the arsonist, Hugo worries about Jacob. Hounded by Lamontagne, Stéphanie becomes impatient even with Hugo who refuses to give the name of his patient.

The squad and the Brigade must work together to advance their respective investigations. Director Lamontagne must calm the game between captains Duquette and Larouche. Everyone protects their team while Stephanie wants to take Lily-Rose back.

The pressure mounts for the squad which tries to establish links between the two fires. Thinking that organized crime is involved in the new fire, Pelletier turns to Cindy and Lily-Rose. This is the perfect opportunity to talk to Carducci again!

The Cerbère squad question Virginie who suddenly comes back into Jeffrey's life. Manuel feels left out since Stephanie's return, he talks about it to Lamontagne who is surprised at the situation. Renaud decides to play dangerous with Manuel...

Unwittingly, Lily-Rose puts Cindy in danger by communicating information to Renaud. Robert reacts strongly to the situation: Lily-Rose is part of the brigade now, she no longer has to report to Cerbère!

Tension reigns at HQ since Manuel is identified as Lily-Rose's attacker. Renaud is emotional in the situation and looks for a way to convince her to denounce Manuel, but Dominic opposes it because it is up to Lily-Rose to choose.