Christmas Eve, 1904. Inspector Antoine Jouin attempts to identify a corpse found in the Bois de Boulogne as orders are given to round up the city's prostitutes. Show more
Lépine asks Jouin to remain discreet in his report of a death to avoid a scandal. Marguerite Steinheil invites Lépine to the opening of a new collection of her husband's work. Show more
Marguerite discovers that Adolphe has syphilis, Jouin identifies the body in the Bois de Boulogne, and Cochefert reveals that the dead man is linked to an unsolved murder. Show more
Guichard falls into the trap when he is lured to Château de Bagatelle by a phone call from Fiersi's son. And Commissioner Lépine confronts Fondari, the head of the vice squad. Show more
Jouin asks Fiersi to help him break into the Château de Bagatelle, and Cochefert makes an eventful visit to Dr Verlot. Lépine seeks out L'abbé Gardey's support. Show more
French period crime drama. The French Republic is in turmoil as rumours spread about the release from Devil's Island of Dreyfus, arrested for spying. Show more
French period crime drama. Meg starts spying for Puybaraud and is told to infiltrate the Guérin family, who are behind the anti-Semitic league. Show more
In the days leading up to the Dreyfus retrial, tensions are running high in the streets of Paris. Jouin takes a gamble and breaks a promise to Jeanne. Lepine makes a public show of his authority. Show more
When Meg Steinheil is abducted, her husband asks Fiersi for help. Lepine and Cochefert are made aware of Puybaraud's double-dealing. Show more
French period crime drama. Guérin and his men remain holed up in their headquarters, but inclement weather disperses their supporters in the streets. Show more
Jouin visits Jeanne Chauvin to ask for help in translating some correspondence. Puybaraud has discovered Madame Lepine's weakness. Show more
Meg falls for army intelligence officer Gabriel Sabran, the same man Jouin is pursuing in his investigation into Josephine Berger's murder. Show more
French period crime drama. Tensions run high on Rue Chabrol. Encircled by the police, Guérin is protected by the butchers of La Villette. Show more
Tragedy strikes at the heart of Harry’s unit as the siege drags on in Tobruk. In Manchester, Kasia is confronted by more of the horrors of war. Show more
As Stan and Rajib make a hasty retreat across the desert, Marga reasserts her commitment to the führer. Meanwhile, David is in peril in the skies over France.
As Kasia takes on her first assignment as an agent, Rajib’s military values are tested. Meanwhile, a familiar face comes to David’s aid.
As Harry struggles to adapt to the reality of desert combat, Lois still longs to leave home. In Paris, Henriette is in grave danger, and a mysterious stranger arrives at Robina’s.
Harry returns to Manchester, but Kasia is determined to leave. In Europe, Marga and Henriette must each make their escape, while north Africa becomes even more brutal for Rajib.