After prom, students from Dégelis high school spend their last summer together in the village of Témiscouata, before leaving for Rimouski, Quebec or Montreal to continue their studies. While enjoying her last moments with her friends, Carla, who plans to study communications in Montreal, begins interviewing, on camera, the other kids in her village. They tell her their hopes and dreams, as well as their fears about the future. At the same time, the region is the scene of several mysterious and dramatic events.
A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.
Iconoclastic, take-no-prisoners cop John McClane, finds himself for the first time on foreign soil after traveling to Moscow to help his wayward son Jack - unaware that Jack is really a highly-trained CIA operative out to stop a nuclear weapons heist.
When the White House (Secret Service Code: "Olympus") is captured by a terrorist mastermind and the President is kidnapped, disgraced former Presidential guard Mike Banning finds himself trapped within the building.