Episode 1
Les meurtres ABC (based on The ABC Murders)—As a serial killer taunts Larosière, the great detective’s career could be the next casualty.
Episode 2
Am stram gram (based on Ordeal by Innocence)—After the death of a beloved philanthropist, suspicion falls on her brood of adopted children.
Episode 3
After Inspector Lampion is injured during a police raid, Superintendent Larosière rents a cottage in a small village and begins receiving threatening letters. Based on the Miss Marple novel "The Poisoned Pen". Directed by Eric Woreth, 2009.
Episode 4
La maison du péril (based on Peril at End House)—When a beautiful heiress is targeted for murder, Larosière loses his heart—and nearly his life.
Episode 5
Le chat et les souris (based on Cat Among the Pigeons)—While investigating murder at a fancy boarding school, Larosière is haunted by his past.
Episode 6
Je ne suis pas coupable (based on Sad Cypress)—When death stalks a women’s retreat, a reluctant Lampion goes undercover.
Episode 7
Feeling underappreciated, Lampion leaves his post to a join a private investigation firm, and gets a lead on a 15-year-old case. Based on the Hercule Poirot novel. Directed by Eric Woreth, 2010.
Episode 8
Superintendent Larosière runs into his former captain from the Great War, who invites him to his family castle for a big announcement. Based on the Hercule Poirot novel Taken at the Flood. Directed by Eric Woreth, 2011. Aired on MHz as "The Ebb and the Flow".
Episode 9
Un cadavre sur l’oreiller (based on The Body in the Library)—With Larosière accused of strangling a prostitute, Lampion tries to clear his name.
Episode 10
Lampion befriends a young woman who suffers from terrifying visions of a bloody woman. Based on the Miss Marple novel. Directed by Eric Woreth, 2011.
Episode 11
Superintendent Larosière and Inspector Lampion investigate the murder of a woman last seen entering a theater. Based on the Hercule Poirot novel Lord Edgeware Dies. Directed by Renaud Bertrand, 2012.