ABerthier's Bank heir, Arnaud Dubois looks more like someone who should be called... Mohamed. Besides, would he not rather be the son of Said, his mother's former tennis coach in Djerba? After a dispute with his father, he decides to leave the cozy nest of Vésinet. He crosses paths with Mustafa, who introduces him to his sister Sabrina Arnaud whom Arbaud immediately falls in love with. But he soon realizes that the only way to seduce her is to let her think that he is a Beur like her and that his name is ... Mohamed. He then settles in the Sabrina's town, where he will do anything to fit.