In a city filled with routine, a forty-year-old pizza delivery man, David Wozniak, feels stuck in his life. Things become even more complicated when he discovers that, thanks to an anonymous donor, he has fathered 533 children through sperm donations made over a decade ago. Unexpectedly, his past casual acts of generosity have led a group of his children to sue him for his identity, plunging David into a true personal crisis.