Les Tuche, a modest french family, change his life after winning a super lottery. Thanks to the money of his parents, the son, Donald (aka "coin-coin) goes to Los Angeles to improve his english. On the L.A. University, he meets Jennifer, daughter of a famous American financier.

The nuns of a musical convent work hard in order to prevent the religious school from closing.

David Wozniak is a perpetual adolescent who discovers that, as a sperm donor, he has fathered 533 children. He is advised that more than 100 of his offspring are trying to force the fertility clinic to reveal the true identity of "Starbuck," the pseudonym he used when donating his sperm. To make matters worse, his girlfriend Valérie is pregnant with his child, but doesn't feel that he is mature enough to be a father.