Police commissioner Herville is found dead in the 13th arrondissement of Paris.

Gilou agrees to work with Laure again; Edelman works to get Josephine out of prison.

Stolen banknotes lead the team to a nearby housing project.

Laure follows the drug traffickers' courier to a warehouse in Aubervilliers.

Gilou and Laure make a breakthrough arrest; Edelman presses for a crime scene reconstruction.

Out of prison, Josephine tries to pick up the pieces of her personal and professional life.

Laure is increasingly concerned about Lebrion's interference; Josephine begins to suspect Edelman.

Roban falls into a trap; Beckriche's loyalty to his former boss is put to the test.

Laure and Gilou make a rogue decision to reactivate the money-laundering operation.

An internal investigation targets Laure and Gilou; Josephine does her best to protect Lola.

Tintin is torn between his loyalties to his former colleagues and his new job.

As the police close in, Josephine intervenes in the investigation.