1. Episode 1

6

. 4 September 2017. 52 min

Faced with a series of grisly unsolved murders, a police commissioner turns to imprisoned serial killer Jeanne Deber and her estranged son for help.

2. Episode 2

7.3

. 4 September 2017. 52 min

As a furious Damien tries to figure out what his mother is up to, a clue found on Séverin's computer leads the team to the next potential victim.

3. Episode 3

7.3

. 11 September 2017. 52 min

Damien uncovers a secret that sends him racing back to his childhood home. Unable to shake her suspicions, Lucie digs into her husband's past.

4. Episode 4

7.3

. 11 September 2017. 52 min

The Mantis makes her next move, Achille finds a crucial clue linking the victims, and Damien pays a visit to his mother's psychiatrist.

5. Episode 5

6.5

. 18 September 2017. 52 min

When Jeanne receives a live video stream of the next victim, the team scrambles to stop a murder. New clues to the killer's identity emerge.

6. Episode 6

7

. 18 September 2017. 52 min

With the clock ticking and his family in danger, Damien weighs an offer from the killer. A rescue mission takes an unexpected turn.