S1 • E1
As a serial killer taunts Larosière, the great detective's career could be the next casualty; loosely based on "The A.B.C. Murders".
S1 • E2
After the death of a beloved philanthropist, suspicion falls on her brood of adopted children; adapted from "Ordeal by Innocence".
S1 • E3
Inspector Lampion gets badly wounded during a case and has to rest. Superintendent Larosière rents a room for him in a small village which looks the perfect place to recover, except someone is sending ugly poison-pen letters.
S1 • E4
When a beautiful heiress is targeted for murder, Larosière loses his heart and nearly his life; adapted from "Peril at End House".
S1 • E5
While investigating murders at a boarding school, Larosière is haunted by his past; adapted from "Cat Among the Pigeons".
S1 • E6
When death stalks a women's retreat, a reluctant Lampion goes undercover; adapted from "Sad Cypress".
S1 • E7
Superintendent Larosière is faced with a fifteen years old cold case, and five suspects with contradictory testimonies; adapted from "Five Little Pigs".
S1 • E8
Larosière runs into his former captain during the Great War, who invites him to his family castle. He surprises everyone when he announces his marriage to Albertine, a young woman he met in Africa; adapted from "Taken at the Flood".
S1 • E9
With Larosière accused of strangling a prostitute, Lampion tries to clear his name; loosely based on "The Body in the Library".
S1 • E10
Sacha escapes from a psychiatric hospital and hides in an isolated house. On the first evening, she has a terrible vision of a bloody woman. Is it related to a recently deceased woman in a house nearby? Adapted from "Sleeping Murder".
S1 • E11
The duet Larosière-Lampion investigate the murder of a woman, last seen entering a theatre. Meanwhile, the superintendent's daughter Juliette, storms into his life, and might be in danger; adapted from "Lord Edgware Dies".
Alice Avril
Swan Laurence
Marlène Leroy
Tricard
brigadier Martin
Robert Jourdeuil
Tim Glissant
Rateau
Larosière
Lampion