In the near future, as humanity prepares to set foot on Mars, Jacob Obus, an elderly musician, takes pride in slowing down time by playing instruments inspired by women's bodies, designed by his friend Arthur. A love triangle develops when Jacob and Arthur both fall in love with Avril, a young photographer. Enter Eugène Spaak, Arthur's father, an inventor and cosmologist who unveils a new theory about man's desire to reach Mars and helps Jacob find the true meaning of life and love.

During the summer of 1968, Leon, a 10-year-old boy, navigates the hardships of young love, his lunatic mother's whims, and his urges to vandalize the house of his neighbors.

On the eve of her final moments, a woman recalls her alcoholic past. She revisits her entire youth, including a binge that, at 46, cost her everything she had: "Loneliness and aging are themes that impose themselves on me, in one form or another. As for alcoholism, it fascinates me because of the revolt it underpins, and revolts me because of the unhappiness it creates around itself.

A woman in love with a musician has a change of heart on her 18th birthday.