Judge Roban, who is nearing retirement, faces personal health challenges that threaten his ability to see his final cases through to the end [3]. Production Details Original Air Date: February 11, 2019 (France) [3]. Directed by: Jean-Philippe Amar [3]. Genre: Crime Drama / Police Procedural [1].

The episode (originally titled Engrenages ) features a high-stakes investigation into a money-laundering network that connects back to the season's primary murder case. Key Plot Features

Having recently been released from prison, Josephine is trying to rebuild her life and career while dealing with the trauma of her incarceration and the hostility of her former peers [2].

Gilou and Berthaud continue their pursuit of the money-laundering ring. They focus on the complex web of financial transactions used to hide the proceeds of organized crime [1].

Tensions rise within the police team as the pressure of the investigation and the unconventional methods used by Gilou and Berthaud begin to clash with official protocols [1].