The body of 19 year old Driss Assani, a footballer with Heiderfeld football club is pulled out of the river Semois, a stones throw from Heiderfeld, a small town of a few thousand inhabitants in the Belgian Ardennes. The investigation is led by Inspector Yoann Peeters, who has recently moved there after a domestic tragedy, accompanied by Sebastian Drummer, an idealistic and inexperienced young police officer. Peeters will find himself confronted with a real conundrum, where one person's guilt does not mean that others are not responsible.
The mystery about Driss, Heiderfeld and Yoann unravels further more. Yoann finally hears why his psychiatrist is questioning him.
Jeff leads Peeters and Drummer to a chilling scene in the woods. The battle over the dam takes a new turn, and Camile's frustrations boil over.
Peeters digs into shady dealings at the soccer club and braces for a difficult conversation with Ines. The chief closes in on the menacing caller.
Flouting orders, Peeters hatches a plan to find out what the Malausas are hiding. Camile gets her first taste of the local party scene.
While Peeters questions the author of the fake suicide note, the chief makes an unsettling discovery. Panic sends Kevin into a dangerous spiral.
As Peeters puzzles over a disturbing find at Driss's apartment, the mystery caller gives the mayor an ultimatum, and Camile worries for Zoe's safety.
Inspector Yoann Peeters and his daughter Camille move to Heiderfeld where he spend his youth. when a boy ends up dead in the river, Peeters is the only one who believes there is more to it than a suicide.
After surprising Christian at work, Yoann digs deeper into the Clémence Lorent case file. Marjo finds troubling inconsistencies in Dany's statement.
With a confession on the books, the chief is eager to close the case. But, Peeters presses ahead, convinced the real killer is still at large.
When a patient with a troubled past is accused of killing a baroness, Dr. Orban turns to Yoann Peeters for help. But he's reluctant to get involved.