Four Anglo-Canadians and a New Yorker find themselves in a two-week long total French immersion program in the fictional, remote town of St-Isidore-du-Coeur-de-Jésus, tucked away somewhere in Northern Quebec. The place is perfect for total immersion since, according to the most recent census, 99% of the population is comprised of pure laine Quebeckers for the most part unilingual French, fervently nationalist, and all, save one person, named Tremblay.

To save the life of fellow cop kidnapped by a biker gang, a father and a son who cannot stand the sight of each other infiltrate an outdoor adventure group-therapy for fathers and sons. Their biggest challenge is to survive the therapy without killing each other.