While setting up an exhibition of "The Mummies of St. Michael" an archeologist discovers a real skeleton in a red robe.
When Lola Morand, 25, arrives at the Roches Blanches hotel for a job interview with the hope of being hired as an assistant manager, she quickly becomes disillusioned: there has never been any interview planned.
In the Alps, a caravan burns, enclosing a seasonal worker in its flames. Emilie Karras, a young gendarme from Lyon, originally from Les Clairies, leads the investigation, forced to collaborate with Major Servoz, a disillusioned local gendarme.
