In the aftermath of the school shooting, the squad copes with the trauma as it affects them in ways they never expected.

After the arrest of a misunderstood homeless man and the retrieval of a runaway, Nick and Ben realize that not everyone can be saved.

The squad becomes involved in a feud with firemen; little mistakes cause consequences.

Amelie takes a chance on Ben, while Nick and Isabelle receive shocking news about Theo.

An accidental death leads violent protesters to occupy an abandoned building.

After an accidental death, violent protesters occupy an abandoned building and the squad must clear them out.

The identity of the mole is revealed.

With the mole on the run, a devastated squad turn on each other, and on themselves.

The squad waits for findings from a task force into Sergeant Houle’s case. Nick and Ben find themselves at the centre of the fractured squad, the only partnership that has endured. On the job, the squad face a horrific accident that puts multiple lives in danger.

Nick investigates his cousin's death and finds a possible witness.

A wannabe mobster has a tempting proposition for Nick.

The city cuts public sector pensions, pitting the squad against their own.

Ben returns home to Morin Heights when his father goes missing. Nick and Martine make a deal.

The squad returns to normal duty. Nick keep secrets as he pursues his cousin's killer.

Nick and Ben will be forever changed by a tragedy caused by a misunderstanding.

Nick and Ben deal with the aftermath of a tragedy. Nick's lies threaten to drive them apart.

Nick and Ben discover the truth behind Amelia's death.

Ben's actions bring repercussions. Ben and Nick seek justice for a raped prostitute and encounter someone they both never thought they'd see again. A new officer joins 19. The squad finds out something disturbing about one of their own.

The squad escapes to a cottage for the weekend, where alcohol and the intimate setting lead to conflict.

The patrollers of 19 struggle to find their footing. Nick realizes what he wants. Dulac loses control.

Ben faces consequences. Nick's new romance gets complicated. Dulac crosses a line; Audrey thinks about the future.

Ben's troubles become public, Nick faces a crisis and Dulac gets in over his head.

The squad works during a full moon. Suarez and Beatrice receive unexpected news. The squad works to prevent a tragedy.

When he tries to help Nick with his investigation, Ben gets in trouble with homicide.

The hunt for the mole takes a dramatic shift when Nick is pulled off patrol.