Antoine is a lawyer living in New York. On his way back to France for the final round of a job interview, Antoine finds himself sitting right next to his ex-girlfriend Julie. With a seven-hour flight ahead of them, they are going to have to speak to each other.

Tamara, 15, complexed with her curves, decided its entry into second to get rid of the label of "big". To shut up the gossip, she made a bet with her best friend to go out with the first boy who pass the classroom door. No luck, the boy turns out to be Diego, the most handsome guy of high school. The bet is complicated for Tamara .... Between the dirty tricks of the mean girls of high school, a mother hen, boards "drag" his little sister, Tamara is a memorable year!

Tamara has been separated from Diego for two years. She finally leaves home to live the student adventure in Paris with his girlfriend Sam. In a galley apartment, they accept a cohabit with Wagner. Problem: Diego is part of the lot, and he is no more single.