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.

When her teenage son Henri threatens to move in with his father, Justine improvises a road trip along the Atlantic coast with her new partner Ludo and stepson Joseph, giving her family one last chance to unite.

A strange epidemic had invaded the country of young Earl Prospero. With some well-chosen courtiers, he has entrenched himself in his castle in order to escape this evil. A few months later, ignoring the disease, he decides to organize a large masked ball, excusing all excess. Death, however, is indifferent to all these tricks. Based upon Edgar Allan Poe's novel.