Killer by the Lake

Episode 8 (1x8)

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Laure, the neighbor, discovers disturbing facts about her husband and demands explanations. Lise, Clovis and their teams learn that Varella has disappeared. They suspect she has been abducted by the lake killer. They follow a lead that brings them to a hideout, where they find Varella's lifeless body. They are right on the verge of catching the killer.