Returning to France after a long exile, pianist Mathias Vogler reunites with his mentor, Elena, to prepare a concert. In a park, an encounter with a child who looks just like him will lead him to Claude, the woman he once loved.

Scott, a gifted young snowboarder, has one dream: to be number one. He wants to do what no one has ever succeeded in doing: to climb Mount Everest and ride the world's purest, steepest, and most dangerous descent. Once in Chamonix, the riders' Mecca, he crosses paths with Pierrick, a former champion turned mountain guide. Scott knows that this is the encounter that could take him to the top.

A dozen masked individuals ransack a pharmaceutical laboratory and release the animals used as test subjects. The operation is claimed by the Animal Liberation Front. Cédric, a police officer, sets out to track down the mysterious group. That same evening, he seduces Estelle, a young veterinarian who, a few hours later, participates in an animal rights demonstration. She then comes face to face with Cédric, who has come to arrest the activists. Meanwhile, Ghislain, an employee at an industrial pig farm, acts as an informant for the commando's next operation at his company.