Spring 1981. On the eve of the presidential election, Victor, 17, prepares his baccalaureate between his girlfriend Aurélie and the yard he works on at the weekends, under the direction of his father, Charles, ardent supporter of Mitterrand . One day, he and Selim, the son of the foreman, make a secret love affair. Charles surprises them and, shocked, rejects responsibility on Selim, which he dismissed. In high school, the rumor spreads, like sarcasm, against Victor. Lost and wounded, the young man tries to repress his desires under the pressure of his father and despite the silent support of his mother, Martine. He ends up venturing, one evening, in a meeting place between men. He meets Serge, a militant of the gay cause of twenty years his eldest. Their link will gradually force Victor to assume his homosexuality, in front of Aurélie, first, then Charles, who the sum to make a choice.

1999. Victor, now an architect, lives harmoniously with Serge and has been so well reconciled with his father. Seropositive for many years, his companion tacitly accepts his adventures one evening. He works in an LGBT association and runs regularly to demand the adoption of the Pacs. By launching the construction of a big project, Victor finds himself face to face with Selim, become foreman, like his father. Their attraction to each other has remained intact, but Selim is married and has two children. On the sidelines of their clandestine affair, Victor gradually becomes aware of his desire to be a child and convinces Serge to adopt one with him. Since homosexuals never obtain the necessary approval, Victor must play the role of a hetero single person in the eyes of the Social Welfare. He asks his parents to help him in his approach ...

2013. Diego, Victor and Serge's adopted son, is in his turn in terminal. In the face of the hatred of one of his comrades, who regularly attacks his homoparental family, he sometimes gives way to fits of anger, which Victor refuses to understand and condemn. In the whole of French society, the draft law on marriage for all crystallises the debate and the antagonisms. While he had been incapable with his own son years ago, Charles, now widowed, knows how to find the right words to comfort his grandson, who knows his first love torment with the young Noémie. The other ally of Diego, faced with the intransigence of Victor, is the always understanding Serge, whose health is deteriorating ...