In 1974, in the sleepy Ste-Foy suburb of Quebec City, two couples in crisis drop their children at a summer camp. Once back in their routine at home, they realize that their marriages are falling apart. Infidelity and betrayal are exposed in broad daylight. But in a society where divorce is taboo, what will the two couples do? They will become the deadliest criminals in the history of organized crime in the Quebec region.