The detective squad must identify a murdered male torso to keep the case as Laure returns early from maternity leave. A high-profile criminal trial tempts jaded Josephine.

Investigating their victim, Laure and Gilou reunite with a superior in a troubled suburb. Lawyer Josephine pushes her client to plead guilty. Roban probes a male prostitute's suspicious death.

Josephine is shaken after an assault. Roban resorts to an off-the-record test to build his case. Gilou and Laure grill two apparently reformed brothers for links to the dead cop.

Told a guilty secret, Laure plots to correct matters, but must elude Tintin's dogged detective work. Josephine struggles to prove her client's claims in court. Roban must confront a colleague, and a health issue.

Laure is sure a teen girl's death is linked to the Mercier murder, but proof is elusive. Tintin is stressed by his son's misbehaviour, while Josephine cracks before a crucial court appearance.

Difficulties escalate for the detectives seeking their teen victim's best friend. A sexual harassment hearing proves revealing of Josephine's feelings. Roban and Laure learn of police corruption.

Revenge has repercussions for Josephine. The detective squad, to redeem their reputation after the disastrous Roma camp raid, dig dirt on the corrupt coppers. Laure must make choices for baby Romy.

Watching assorted suspects stretches the detectives' resources, but yields results. Josephine challenges Roban's ruling on the male escort case. Gilou has a heart-to-heart with Laure.

Violence flares after a cop's shooting of an unarmed man. A sense of injustice fuels Josephine's aggression in the Bodin case and Tintin's feelings on being kept in the dark.

No closer to arresting Drissa Camara or the corrupt cops, Laure and her team seek missing teen Maria. Roban is rattled to be testifying in court in his own defence, cross-examined by Josephine.

Drissa Camara is double-crossed, but hopes his hold over Gilou will save him. The secrets and lies become too much for Tintin. Josephine is in jeopardy if she sticks to her story.

A blunder by the depleted detective team has a shocking outcome, while what Moldovan also sells is revealed. Will Edelman's bluntness sway Josephine? Roban runs out of options.