Maybe the 1960s, maybe the future. Seven astronauts wake up in a spaceship, not knowing where they have come from nor where they are heading. As the ship operates by itself, they have ample time to meditate, rather scientifically, on matter, life and the universe.

The first manned mission to Mars is now approaching the red planet. The crew includes top-flight scientists and a young female psychiatrist, responsible for their mental health. But just as they are about to land, something goes wrong.

During WWII, four North African men enlist in the French army to liberate that country from Nazi oppression, and to fight French discrimination.

After losing their family home in Algeria in the 1920s, three brothers and their mother are scattered across the globe. Messaoud joins the French army fighting in Indochina; Abdelkader becomes a leader of the Algerian independence movement in France and Saïd moves to Paris to make his fortune in the shady clubs and boxing halls of Pigalle.

After traveling to London to check on their missing children in the wake of the 2005 London terror attacks on the city, two strangers come to discover their respective children had been living together at the time of the attacks