A teacher, driven to exasperation from insults and insubordination, takes her class hostage.

In 1988, Johnny Leclerc, the son of a Norman mother and an Alsatian father, lives in a suburban housing estate with his friends. He behaves like a Muslim, observes Ramadan and wears a djelaba. He's even convinced that his name is Abdelbachir and that he was born in a small village in the bled. When his friend Yacine gets into trouble with a local kaid and decides to return to Algeria for the vacations, he smuggles himself into the Sabri family's luggage to fulfill his dream and finally get to know his "roots". As soon as he arrived on the Algerian coast, Johnny felt right at home. But Yacine is opposed to his father, who wants to arrange his marriage.

In Paris, Ali lives with his partner Eric. They're happy. But one day, Ali receives a phone call from his sister who warns him that their mother had a stroke. Ali decides to return to Besançon, his hometown. But he dreads the trip because, five years earlier, he was rejected by his parents and those around him who could not accept his homosexuality.

Eleven-year-old Wardi’s great-grandfather leaves behind a will suggesting looking to the past to find the future. Searching the house, Wardi finds out about her Palestinian homeland from family memories.