With Micheline on a cocaine bender in Montreal, Serge convinces the others to go after Kingpin’s empire in Sainte-Foy. When Gaétan and Serge find themselves held hostage by Kingpin and his associate, the gang proves they’re not easily defeated.
The couples restructure their organization and elect Huguette as leader. Kingpin forms an alliance with a dangerous biker gang. When they come after Huguette, the altercation ends with more dead bodies and a shocking betrayal.
The gang is falling apart. Huguette is depressed, their houses are bugged, and Serge’s pool gets defiled. As Coco and Puff reveal a major secret, the gang receives a disturbing warning involving Huguette and Gaétan’s son, Martin.
The gang go to rescue the kids, which leads to a bloody shootout in the woods with the bikers, Kingpin, and Biscuit. Will the legendary Sainte-Foy Killers make it out alive? And will they finally achieve marital bliss?