Three years after Le Mystère du lac, Lise and Clovis are now by another lake, in Annecy, and face the challenge of a new family life with their nine-month-old son Tom as the couple takes on a demanding new investigation.
The corpses of two women are found near Lake Annecy. Is it the work of a serial killer?
A third corpse is found in a state of decomposition. Was this the killer's first victim?
Clovis and Lise's teams strive to understand the killer's methods and attempt to trap him.
Lise's research makes her doubt her husband's honesty. Has he been leading a double life?
A new senior police officer - Diane Varella - is appointed to oversee the lake killer case.
Clovis confesses a deeply held secret to Lise, who learns about the dark side of his past.
As Clovis is questioned by Varella, Lise and her team try to gather evidence to clear him.
Lise and Clovis learn that Varella has disappeared and suspect the killer has abducted her.
Complete episode guide for Le Tueur du lac with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.