, titled " La Chambre Ouverte " (The Open Room), is widely considered one of the strongest episodes of the third season. It playfully subverts the classic "locked room" mystery trope by presenting what Astrid calls a "chambre ouverte" (open room) mystery. Plot Summary
The case draws the attention of , a writer turned serial killer from Season 1, who remains a nemesis to the duo. Lamarck hints that Lebel's death was not natural, leading Astrid and Raphaëlle to uncover an organized crime network operating from within the hospital. Critical Review Astrid e RaphaГ«lle s03e04
Critics from The Killing Times gave this episode high praise, noting it as the up to that point. , titled " La Chambre Ouverte " (The
: Sara Mortensen continues to deliver a standout performance as Astrid Nielsen , capturing the "oceans of emotion" beneath her rigid exterior as she tackles her own internal "demons" during the hospital investigation. Episode Details Director : Chloé Micout Writers : Mathieu Leblanc and Joseph Lantigny Rating : TV-14 Notable Guest : Stéphane Guillon as Alain Lamarck Lamarck hints that Lebel's death was not natural,
: The episode focuses heavily on the central mystery, leaving the overarching romantic arcs (such as Astrid's relationship with Tetsuo Tanaka ) largely unaddressed. However, it provides significant insight into Astrid’s past and her ability to navigate environments that challenge her neurodivergent perspective.
REVIEW: Astrid: Murder In Paris (S3 E4/8) | The Killing Times
The investigation begins when a convicted murderer, , is found suffocated in his room at a psychiatric hospital. Although Lebel was under constant guard and physical restraint, the security guard insists no one entered the room.