Two men, with vastly different life stories and personalities, embark on a hearse heading to the South of France. During their journey they realize that, however unlikely, they're not so different in the end.

Pauline juggles life between her kids and her work as a landscape designer where she has to fight for her place amongst her male colleagues. Her life is turned upside-down when her mother tells her that she is going to live abroad and will no longer be able to take care of her children, then becomes chaotic when she is appointed manager of an important project. On all fronts, her life takes a turn for the worse.

The two cult cops from Valais have to deal with a simple sprayer case while the rest of the department has to solve the discovery of a charred body. At the same time, the Valais, nay, the whole world, is threatened with disaster and even the Pentagon, the US Department of Defense, is involved.