The action take place in Paris where since some years, a rich family, the Ziarnoswki, and a poor black one, the Makumbe, are batting. It started with a supposed robbery commited by Mrs. Makumbe, the maid of the Ziarnowski's family. Hamadou, the son of the Makumbe's is in love with the beautiful blond Joanna. Mr. Ziarnoswki organise a party in a club in order to present to his daughter Juliette, a boy called Jean-Louis which is a son of a bourgeois family. Jean-Louis seems to be interested by Juliette whose father is delighted by this union. Hamadou joes to the party with his friends because he thought that Joanna might be there. Suddently he sees Juliette and is open-mouthed at her beauty. Hamadou falled crazy in ove and Juliette too. He came to her and kises her twice but he has to run away to escape her bodygarde. Hamadou finds Juliette on Facebook and discover her identity: she is a Ziarnowski ! He takes her phone number and decides to go to the " Macdonalds " restaurant run by Mr. Ziarnowski. At the avening, Hamadou hides in the restaurant and seeing Juliette. He send her a message with his phone : " Appointment in the toilets ". The two young lovers discuss a while and inscrible their initials on one of the foors befors they break away again. Hamadou confides to Pierre Charles, his best friend, that he is in love with Juliette. While Hamadou was leaving University he struck Michal, Juliette's cousin, who violently assaulted him, but Hamadou refuses to fight. At the same time Abdelah was also leaving University, and when he saw Michal assaulting his friend Hamadou, he decided to help him and started to fight against Micahl. While they were fighting, a huge crowd met. Finally, Michal seriously injures Abdelah which is quickly transported to hospital, but he dies shortly after due to his injuries. Hamadou, who stayed behind, heard that Abdelah was dead, and decide to avenge his friend and killed Michal. He faces jail and must run away the country. Juliette is