In Bessans, in Haute Maurienne Vanoise. Abel Guérin, a brilliant biathlete admired by all, is found dead on the training launch pad, shot in the head by a rifle bullet. Awa Sissako, a young captain operating in the neighboring metropolis, is dispatched to the case to support Lieutenant Achille Salvi, of the local gendarmerie. This murder arouses real amazement, Abel was adored by all...