1Épisode 1
Boris Arnoux, international ski champion and darling of the Clairies, returns to the village for the Christmas holidays after winning a Crystal Globe race. His wife organises a party at the Isba Hotel to celebrate his victory.
2Épisode 2
Corto is found alive and interrogated; following a neighbourhood investigation, the caravan's body is identified as an employee of the hotel of Boris Arnoux.
3Épisode 3
Tiphaine, who was thrown from the balcony of her building, is in critical condition; Emilie pursues the attacker, but the man slips through her fingers as he crosses the Swiss border.
4Épisode 4
Emilie is furious with Major Servoz's brigade because the requests for intervention in Switzerland to question Fauvel are not moving forward.
5Épisode 5
The mayor is found dead following a fall from the Clairies Bridge; Servoz, in shock, absolutely does not believe in the theory of a banal accident.
6Épisode 6
Unlike Servoz, Emilie does not believe in Boris's complete guilt and replays all the surveillance videos from the evening.