Best friends Marie and Alexia decide to spend a quiet weekend at Alexia's parents' secluded farmhouse. But on the night of their arrival, the girls' idyllic getaway turns into an endless night of horror.
A series of events unfold like a chain reaction, all stemming from a minor event that brings the film's five characters together. Set in Paris, France, Anne is an actress whose boyfriend Georges photographs the war in Kosovo. Georges' brother, Jean, is looking for the entry code to Georges' apartment. These characters' lives interconnect with a Romanian immigrant and a deaf teacher.
Professor of language and philosophy Dominic Matei is struck by lightning and ages backwards from 70 to 40 in a week, attracting the world and the Nazis. While on the run, the professor meets a young woman who has her own experience with a lightning storm. Not only does Dominic find love again, but her new abilities hold the key to his research.
