The story is based around "spermulites", the alien inhabitants of a dying planet. The only way they can save their planet is by sucking the men of planet earth dry of sperm, kind of like horny vampires.
Laure is a 40-year-old psychologist who doesn't know her son, Jean. But the latter comes back to Paris and finds a brand new woman when he sees his mother.
The veneer of the story is a tale of chance love: two French expatriates strike up a chance romance when they meet on a ship headed back to South America.
In this avant-garde exercise in self-reflection, director Joseph Morder reminisces about his youth in Guayaquil, Ecuador, where his Jewish parents settled after they left Poland. The heat of August in Paris brings forth memories and at the same time the adult Morder is involved in a love affair....