SpiralSeason 52014 · 12 episodesEpisodes1Episode 1Laure Berthaud leads an investigation into a shocking double murder, while Josephine Karlsson takes on the case of a man accused of killing a policeman.2Episode 2Laure's team tracks down Stephane Jaulin, whose lawyer turns out to be Pierre Clement. The investigation widens to include other possible suspects.3Episode 3The double murder investigation steers Laure's team towards a group of bank raiders.4Episode 4New evidence emerges which proves damning for Jaulin. Herville presses on his team to nail the mugging ring. Josephine Karlsson comes up against an infamous, amoral lawyer in court.5Episode 5Herville strives to endear himself to the police commissioner. Laure's team hires an informant who was already on the payroll of Bremont's crime unit.6Episode 6While pursuing the raiders, police come across new evidence which could potentially shift the focus of the double murder investigation.7Episode 7The police investigation into the double murder has uncovered a link between Sandrine Jaulin and Zacharie Gabbai's criminal gang.8Episode 8The operation to capture Zacharie Gabbai has failed and he is now on the run. Carole Mendy requests Roban's help in a case of violent abuse.9Episode 9Gilou is taken into custody, as his team looks on in dismay. Joséphine defends Tarek Ziani and engages in a power struggle with Roban.10Episode 10The investigation picks up when police find a fingerprint amongst Gabbai's belongings which links to the crime scene of the double murder.11Episode 11Following the attack on Kimberley, the noose tightens around the criminal activities of Karen's girl gang. But as the police close in, they strike again.12Episode 12Roban can't stand to see Tarek Ziani elude his charges and tries to bring him down using the Crime Unit's investigation into a luxury vehicle racket.Season 1Season 2Season 3Season 4Season 6Season 7Season 8