June 1984 to June 1985, from happy days to war to summer's return. A middle-aged doctor in Paris, Adrien, meets Manu, a young gay man from the provinces who lives with his sister, an opera singer. Adrien likes Manu, loves him even, in a Platonic relationship. Sarah, a writer, and Mehdi, a vice-squad cop, have an infant. Sarah discovers she has no taste for parenthood. Adrien bring Manu to Sarah's country cabin where Mehdi saves Manu from drowning. Back in Paris, an affair begins as a plague descends on Parisian gays. There are tests, illness, anger, relief, separations, and death. A year later, these friends meet again at the summer place. They are witnesses to how happiness has changed.