The mid-70's: A timid young New Yorker leads an uneventful life until he is fatefully exposed to the pulsating rhythms of a brand-new genre of music....disco. Unable to control his murderous impulses that stem from a traumatic childhood experience, Duane Lewis transforms into a dangerous serial killer exiled to Montreal.

A man tormented by old age reluctantly accepts to abandon the last remaining tie to his youth: his motorcycle.

A young woman exalts her father and finds herself under his direction.

1978. In a small village in Bas-St-Laurent, Guy’s tragic death is a shock for the Leblanc family. For many years, the real cause of his death is kept hidden from some members of the family, including his son David. The latter in turn starts his own family with his wife Marie. He lovingly raises his children Laurence and Frédéric, but deep within him harbours a persistent melancholy.

The traumatic events that occur over the period of one night in a Canadian residential school infirmary. In 1930, 8 year old Elizabeth and her infant cousin are taken from their family and quarantined due to a tuberculosis scare.

Five years after an economic catastrophe, the government and banks have collapsed. At a fortified village in rural Quebec, three individuals with very different pasts see their destinies unwillingly intertwined. Léon is part of a band of honest scavengers. Following a murderous attack, Léon has a falling out with the surviving members of his gang. Marianne, survivor of a brutal assault and the last living member of her family, is travelling to the village to find her aunt — and is soon to find that her attackers are there too. Old Bob has only one goal, to reconnect and make peace with his brother, since years estranged. During his journey, he encounters Josée, a teen with attitude who sees a father figure in him. After a bloody altercation at a bar, Bob has no choice but to tolerate Joe’s company.

David Wozniak is a perpetual adolescent who discovers that, as a sperm donor, he has fathered 533 children. He is advised that more than 100 of his offspring are trying to force the fertility clinic to reveal the true identity of "Starbuck," the pseudonym he used when donating his sperm. To make matters worse, his girlfriend Valérie is pregnant with his child, but doesn't feel that he is mature enough to be a father.

Twenty years before the events in the film's story, Jean-Pierre left his wife, Louise. At that moment, Marion and Sylvie, Jean-Pierre's two children, were respectively 10 and 8 years old. Eventually, Jean-Pierre will come back to his family and he believes that his past mistakes were forgotten.