In his apartment at the gendarme house in Charmonix, 28-year-old Lt. Martin Le Kerrec, a member of the search team, drinks his coffee and listens to the weather forecast at sea when a high-altitude gendarmerie platoon informs him of a body found by travellers off Mar de Glass. Le Kerrec arrives by helicopter, accompanied by coroner and Sergeant Richard Leroup. One of the travelers, after examining the body, which is miraculously preserved among the ice, establishes the name of the victim: Bertrand
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