How did Sarah and Victor get along for more than 45 years? Who was this enigmatic woman living in the shadow of her husband? Love, ambition, betrayals and secrets feed the story of this extraordinary couple, as they experience both the large and small moments of the last century's history.

Matthieu is a 33 year old Parisian who finds out that the father he never knew has died and decides to go to his funeral in order to meet his two siblings in Quebec. But once in Montréal, he realizes that nobody is aware of his existence or even interested in it. He is alone, in hostile territory…

Freshly hired as a labor nurse in a chemical factory, Nour discovers that small arrangements exist between management and her father, Slimane, the staff representative, and the company's pivot. Lies about polluting discharges, hidden illnesses of employees, hidden accidents ... Nour, little by little, no longer accepts the compromises of his father to preserve the image of the company. She decides to launch the alert.

Nora and Léo, 16, live in the same town, in the same suburbs, go to the same highschool, but everything opposes them: their social backgrounds, their families religions, their everyday lives. Yet, they fall in love at first sight. But from a theft accusation bringing into conflict their respective families, their love story will have to face a series of trials and dramas.