2023 · 1 Season ·Ended★ 7.2 ·United States · EN· Netflix

From 1987 to 2003, Michel Fourniret cemented his legacy as France’s most infamous murderer. But his wife was an enigma: Was she a pawn or a participant?

Episodes

S01E012 Mar 2343m

The Monster's Wife

June, 2003. Belgian authorities arrest Michel Fourniret for attempted kidnapping and assault. Linking him to two other cases, they interrogate his wife.

S01E022 Mar 2343m

Deal with the Devil

Letters, loneliness and a deadly pact: With Olivier in custody, psychologists analyze her history with Fourniret to understand her role in his crimes.

S01E032 Mar 2338m

The Ogres of the Ardennes

A prosecutor recalls Olivier and Fourniret's sheer lack of empathy as they uncovered bodies. Later, their ownership of a château is called into question.

S01E042 Mar 2342m

The Evil Genius

When the trial opens, Olivier's role as a mother spikes public fascination — and hatred. As the couple's crimes come to light, so does their sex life.

S01E052 Mar 2340m

The Secret Keeper

Olivier is taken out of her cell to help with a cold case in 2021, but her motives are unclear. After Fourniret's death, can she recover her humanity?