It features two historic figures: Si Kaddour Benghabrit, rector of the Grand Mosque of Paris, and Salim Halali, an Algerian Jewish singer.

In occupied Paris, the young unemployed Algerian, Younes Ben Daoud, makes a living on the black market.

The police suspect that the mosque leadership, including its rector Si Kaddour Benghabrit, is helping resistance fighters and protecting North African Jews by giving them Muslim birth certificates.

[1][2] Although the singer Selim (Simon) Halali was indeed saved through the issuance of "Muslim" papers, there is no record to support the fact that there was a resistance network within the mosque.

Historians Michel Renard and Daniel Lefeuvre also noted in the film several historical approximations, such as the judicial status of Algerians during the colonial era.