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.

Nathalie Dagenais is a 19 year old girl studying to be a lawyer. New to the city of Montreal, she will soon discover the world of porn. One day, her father (Michel Côté) comes across her picture on the Internet and wants to find her and before she makes what he thinks is a mistake. The story goes from past to present, when a police officer investigates the death of Max, a man who Nathalie knew.